Semiconductor equipment: ASML, Applied Materials, Lam Research, KLA, Tokyo Electron and the EUV sub-suppliers

Last updated: 2026-10-25 · Status: reviewed · Reviewer: Codex (gpt-6-astra) cross-check, applied 2026-10-17 · Updated 2026-10-25 with Lam Research results

Summary

• Equipment is a highly profitable part of the stack. Reported operating margins were ASML 44.4% (Q3 2026), KLA 42.5% GAAP (June-2026 quarter), Lam 40.0% GAAP (September-2026 quarter, up from 37.4% in June), Applied 33.7% GAAP (Q3 FY2026), and TEL 28.9% (Q1 FY2027) [3][27][48][24][20][30]. Annual FCF was €11.0bn at ASML in 2025, $5.7bn at AMAT in FY2025, $4.89bn at Lam and $3.77bn at KLA in FY2026; TEL reported ¥80.5bn company-defined FCF in Q1 FY2027 [11][21][24][27][31]. Periods and FCF definitions differ; these figures establish strong cash generation, not a cross-stack profitability ranking.
• Operating cash and customer advances are major funding sources, alongside bonds and financial intermediation. ASML held €12.7bn cash/ST investments against approximately €2.7bn debt in September 2026; gross contract liabilities were €19.373bn at end-2025, with the non-current portion reaching €9.301bn in September [3][11]. Q3 OCF was €11.798bn after a €0.483bn H1 outflow; deposits' separate contribution is not quantified. AMAT, Lam and KLA carry approximately $3.7–6.5bn debt each; ASML also uses factoring and sales-type leases [20][24][28][11]. Deposits do not universally guarantee orders.
• Suppliers expect AI-related demand to exceed planned supply. ASML guides €44–45bn 2026 sales (+35–38%) and plans 30% more low-NA EUV/DUV immersion capacity in 2027; expansion above 30% in 2028 remains under investigation. Interest in 2029–2030 is not accepted orders [1][38][4]. TEL estimates AI data-centre WFE is growing to exceed half the market [31]. TSMC's October 15 reiteration of $60–64bn 2026 capex and Micron's FY2027 spending outlook reinforce the near-term demand case [43][45]; they do not establish final-user AI returns. On October 21 Lam reported record September-quarter revenue of $8.22bn (+54% y/y) and guided December to $8.60bn ±$0.40bn, which management said near-term supply-chain constraints held down; it put calendar-2026 WFE in the mid-$150bn range and gave a preliminary 2027 view above $200bn, led by DRAM [48][50]. Equipment shares fell sharply on October 22 in what reporting describes as a reaction to the supply-capped guide, a wide guidance range and profit-taking, not to lower demand [52][53].
• Concentration transmits customer and policy shocks. ASML's largest customer represented 23.9%, its top two 38.0%, and four customers each above 10% together 61.2% of 2025 sales [11]. China shares were ASML 29.1% in 2025 (~20% guided for 2026), Lam 34% in FY2026, 26% in its June quarter and 35% in September (attributed to the timing of China mature-node investment, and guided "meaningfully down" for December), KLA 29.8% in FY2026, AMAT 28% in Q3 FY2026 and TEL 30.4% in Q1 FY2027 [11][38][25][24][49][50][28][20][31]. Geography is exposure, not an automatic prohibited-sales loss; introduced MATCH bills and reported August Dutch-policy pressure are distinct from verified current law [46][47][36].
• Severe historical downturns caused large losses, but a hard landing is not inevitable. ASML sales fell 40.5% in 2001 and 46.0% in 2009, with net losses of €479m and €151m [17][18]. In 2002/2003 it recorded 64/56 combined cancellations or push-outs against 205/169 systems sold, a scale comparison rather than a cancellation rate [17]. In 2024 sales rose 2.6%, gross margin held at 51.3%, and net income was €7.572bn [13].
• ASML's checked 2026 releases omit quarterly bookings [9][1]. Contract balances, annual backlog, RPO timing, peers' backlog/deferred revenue and buyer capex provide complementary evidence. Lam's deferred revenue rose to $2.66bn in September from $2.43bn, but its 10-Q attributes the rise to sales volume, "partially offset by a decrease in customer down payments" [49]. Deliveries, revenue recognition, refunds and payment terms affect those balances, so they cannot directly replace a bookings series [3][11][22][24][28].
• The central uncertainty is whether customer commitments persist if downstream investment slows. A sustained slowdown could reduce earnings and valuation multiples. Strong liquidity supports resilience, but neither future profitability nor solvency is guaranteed by today's cash balance. The cited valuation quote is internally inconsistent and graded D; no valuation model here establishes a particular sales path already priced in or unavoidable shareholder losses [37].

Key claims

Analysis

What this layer is. Wafer-fab equipment (WFE) turns chipmakers' capex into tool revenue. ASML supplies EUV and DUV lithography; Applied, Lam and TEL sell deposition, etch, clean and coat/develop tools; KLA sells inspection and metrology. ASML's critical suppliers include Zeiss SMT (its single optical-column supplier, 24.9% owned), Trumpf (EUV drive lasers) and its own Cymer light-source unit [11][34][35]. These dependencies constrain expansion. Management's 2027 capacity plan is specifically for low-NA EUV and DUV immersion; the greater-than-30% 2028 expansion remains under investigation [38].

Comfortably profitable, with different periods and accounting bases. ASML's Q3 reported net margin was 42.5%. Subtracting the €509.7m pre-tax Mistral gain from €4,960.4m after-tax income and dividing by €11,662m sales gives 38.2% before any gain-specific tax adjustment (grade B arithmetic); it is not a verified adjusted net margin. Nine-month net income was €10.6bn on €29.8bn sales [3][38]. Comparable reported operating margins are ASML 44.4% in Q3, KLA 42.5% GAAP and Lam 37.4% GAAP in their June quarters (Lam 40.0% in September [48]), AMAT 33.7% GAAP in Q3 FY2026 and TEL 28.9% in Q1 FY2027 [3][27][24][20][30]. KLA's ~61.4% GAAP gross margin leads these five, but ASML's operating margin is higher. TSMC's 58.7% Q3 operating margin rules out a cross-stack profitability superlative [43][44].

Cash generation is strong: FY2026 FCF was $3.77bn at KLA and $4.891bn at Lam (OCF $5.858bn less PP&E/intangible purchases $0.966bn); AMAT generated $5.698bn in FY2025 and ASML €11.027bn in 2025 [27][24][21][11]. TEL's Q1 FY2027 company-defined FCF was ¥80.5bn against ¥39.9bn capex, but its definition includes investing cash flow excluding time-deposit/short-term-investment changes [31]. These are different fiscal periods and definitions. Aftermarket businesses may cushion a cycle, but ASML already had €253.639m service sales in 2001 (~16% of revenue); current IBM includes discretionary upgrades and Lam CSBG includes mature-node equipment. ASML attributed Q3's elevated gross margin to high-margin IBM components, and IBM actually declined in 2023 while total sales rose [17][38][24][15]. An invariant or counter-cyclical recurring floor is not demonstrated.

How it is financed: operating cash, customer advances and financial intermediation. ASML held €12.735bn cash/ST investments and €1.963bn LT debt at September 2026. Adding €0.752bn from the prior-year 2027 maturity schedule gives approximate debt of €2.7bn and net cash of €10.0bn; this mixes dates/bases and is not a disclosed exact Q3 current-debt balance [3][11]. End-2025 gross contract liabilities were €19.373bn, versus €18.196bn in 2024; net of contract assets they were €18.932bn and €17.876bn. Non-current liabilities reached €9.301bn in September [11][3]. Q3 OCF of €11.798bn followed a €0.483bn H1 outflow. Management associates strong cash generation with orders/down payments, but the cash-flow statement does not isolate their contribution or prove it was almost entirely prepayments [3][38].

ASML sold €6.2125bn receivables during 2025, including €3.5077bn down-payment receivables, and included proceeds in OCF; it also held €626.8m sales-type lease receivables at year-end [11]. Factoring is not automatically debt, but these arrangements demonstrate financial intermediation and vendor financing at the tool layer. AMAT's July cash/ST investments of $9.233bn ($14.501bn including LT investments) cover $6.544bn debt [20]. Lam reported ~$5.6bn cash including restricted cash against $3.75bn face-value notes in June, rising to $7.45bn in September [48]; KLA's $5.95bn face-value notes less $4.9bn cash/securities give ~$1bn net debt, against ~$4.1bn annual OCF [24][25][28]. Buybacks were ASML €6.1bn in 9M 2026 under an up-to-€12bn programme, AMAT $4.9bn in FY2025, Lam $3.85bn and KLA ~$2.29bn in FY2026 [3][10][21][24][28]. These balances support resilience, not the absence of financing risk. Micron's $12.75bn customer cash deposits and separate $7bn issued/committed letters of credit show that commitment financing extends across layers; the latter are contingent support rather than additional cash receipts [45].

How much is AI, and what buyers confirm. ASML does not disclose its AI revenue share. Its memory sales guide of ~75% growth, advanced-logic >25% Q&A outlook and total-logic ~10% guide support a shift toward advanced applications, but without the starting mix they do not establish falling mature-logic sales [38][4]. Nine-month memory sales of €10.3bn exceed the prior full-year €8.4bn; anticipated 2026 low-NA EUV output is ~65 systems versus 44 shipped in 2025, a comparison of output plans and shipments rather than recognized total EUV units [2][38]. TEL estimates AI-data-centre WFE is growing to exceed half the market, SEMI forecasts 39% DRAM WFE growth in 2026, KLA forecasts ~$1.1bn calendar-2026 advanced-packaging process-control systems revenue (+>70%), and AMAT reports DRAM at 26% of Semiconductor Systems sales [31][33][41][20]. China geography, IBM and advanced-node end uses overlap and cannot form an additive AI/non-AI revenue split.

Buyer evidence strengthens the near-term demand case. On October 15 TSMC reiterated $60–64bn CY2026 capex, described tight tool supply and expected 2026–2028 investment well above the prior three years, while warning about consumer/price-sensitive markets [43]. Micron forecasts ~$25bn net-of-incentive PP&E capex in H1 FY2027 and more in H2; >$50bn for the year is an arithmetic implication, not an exact annual guide [45]. Separately, SEMI's October 13 300mm front-end forecast projects $149bn equipment spending in 2026 (+31%), $227bn in 2029 and 13/23 fabs or lines starting operations or first silicon in 2026/2027 [42]. That corroborates physical expansion, but neither fab starts nor committed capex establish final-user AI returns. This series must remain separate from July's OEM WFE forecast.

Lam's September quarter and the October 22 selloff. Lam's revenue of $8.22bn beat its own $8.1bn midpoint, its GAAP operating margin passed 40% for the first time, and the December midpoint of $8.60bn was above consensus [48][53]. Management said supply constraints, not demand, held the December guide down, with the timing shortfall expected to ship in March, and raised its 2026 WFE view to the mid-$150bn range with a preliminary 2027 view above $200bn [50][52]. Two figures cut the other way. September China revenue of 35% reflected the timing of mature-node foundry investment and is guided meaningfully lower in December; that is non-AI demand being pulled forward, not a durable mix. Customer down payments decreased even as deferred revenue rose [49][50]. The fall in equipment shares on October 22 was sector-wide (AMAT −7%, ASML −6%, the semiconductor index >6%) and followed a Nasdaq fall on October 21 that CNBC attributed to AI-spending worries before Lam reported [52][54]. Reporting attributes Lam's move to the supply-capped guide, the width of the range and profit-taking, not to lower orders [52][53]. Lam's 2027 view sits above July's SEMI-derived ~$175bn and TEL's $190bn+; the definitions differ (see Conflicts).

Customer and country concentration. ASML's largest customer represented 23.9%, its top two 38.0%, and four >10% customers together 61.2% of 2025 net sales; identities are undisclosed [11]. KLA identifies TSMC as its only >10% customer and AMAT reports two customers at 19%/15% [28][22]. ASML's China share was 29.1% of 2025 net sales and ~20% guided for 2026; the 14% Q2/23% Q3 figures refer to system sales, a different denominator [11][2][38]. Lam's China share was 34% for FY2026, 26% in June and 35% in September, attributed to the timing of China mature-node investment and guided meaningfully lower for December [49][50]; KLA 29.8% in FY2026, AMAT 28% in Q3 FY2026, TEL 30.4% in Q1 FY2027 with a low-30s% full-year outlook [25][24][28][20][31][32]. Introduced House/Senate MATCH texts address immersion-DUV exports and servicing, while August reporting describes US pressure on Dutch policy [46][47][36]. These establish proposals and reported pressure, not the October 17 legal outcome. ASML's April guidance, not January's, explicitly accommodated export-control discussions [9]. AMAT's reported ~$600m FY2026 hit remains the review's grade C estimate [23].

What past capex cuts show. In 2001 ASML sales fell 40.5%, GM reached 2.0%, net loss was €479m including €400m restructuring per the filing footnote, and backlog fell 365→118 units. Sales/GM are continuing operations; losses include discontinued operations [17]. Combined cancellations or >12-month push-outs were 64/56 in 2002/2003 against 205/169 systems sold, not a shared ~200 denominator or a cancellation rate. Sales fell 21.6% in 2008 and 46.0% in 2009; 260→70 systems sold spans 2007–2009, not one year [18]. These episodes establish severe downside, not its inevitability. In 2024 ASML sales grew 2.6%, GM held at 51.3% and net income was €7.572bn [13]. Bookings rebounded to €9.186bn in Q4 2023 after €2.602bn in Q3, so that trough alone does not establish a four-to-six-quarter lag [15]. Orders can affect revenue with a lag whose duration varies by cycle. End-2025 backlog of €38.797bn equalled about 19 months of 2025 system sales (€24.474bn), a grade B scale comparison, not delivery coverage or an October 2026 backlog estimate [10]. Higher current margins do not determine the outcome of a hypothetical 40% volume cut without fixed/variable costs, pricing, mix and write-down assumptions.

Lead times and cancellation structure. ASML's current backlog definition covers accepted system orders not yet recognized in revenue, without a stated twelve-month cutoff [11]. Down payments can strengthen commitments but are not universally forfeitable: ASML reported refunds in 2025. Its separate RPO measure was €46.5bn, 65% expected within twelve months [11]. AMAT permits cancellations subject to possible penalties and places 31% of its $15.0bn backlog beyond twelve months [22]. KLA warns that orders can generally be cancelled or delayed with limited or no penalty and that export-licence failures have required deposit returns [28]. These disclosures weaken the case for treating backlog as enforceable revenue. No comparable numerical lead-time series is supplied here. Track timing changes, refunds and RPO separately; a falling liability or rising backlog alone cannot identify weaker new orders or imminent deliveries.

What would have to be true for current investment to earn a return. Existing operations are profitable and cash-generative, but that does not establish the return on the next capacity increment. ASML's 9M PP&E and intangible purchases totalled €1.2555bn against €11.315bn OCF (11.1%, grade B); cash coverage is not incremental ROIC [3]. Returns on expansion require durable demand, achievable throughput and pricing sufficient to cover new costs. Customer concentration and planned supplier expansion could magnify a reversal, but this note supplies no customer-to-hyperscaler exposure map or stress P&L. A sustained slowdown could reduce earnings and multiples; the unreconciled tertiary valuation quote cannot identify a unique future sales path priced in [37]. The €44–60bn 2030 range remains a dated company scenario [39], not proof that the market discounts its top end. Solvency, profitability and equity drawdowns require separate assessment.

Conflicts and open questions

• Supply-constrained vs over-ordered. The original note judged shortages conducive to double-ordering despite deposits; management says demand is real and exceeds planned supply [1][4][38]. The cross-check agrees concentration and memory cyclicality create reversal risk, but sees recent buyer capex as reinforcing strong current fundamentals and does not find equipment overbuild established [43][45]. Customer-level orders and commitment terms would help resolve this; interest in 2029–2030 is not accepted orders. Lam's September quarter (2026-10-21) is consistent with the supply-constrained reading: management capped the December guide for supply reasons and expects 2027 WFE above $200bn. The one counter-signal in its filing is a decrease in customer down payments, which is not quantified [49][50]. The October 22 share-price fall is not by itself evidence of over-ordering [52][53].
• Financing and order protection: original vs reviewer. The original assessment treated customer advances/retained cash as excluding debt and vendor financing, deposits as forfeitable, and backlog as twelve-month protection. The cross-check judges those protections overstated: bonds, factoring, sales-type leases, refunded deposits and KLA's cancellation terms qualify them [3][11][28]. The revised Analysis uses those verified facts; the judgement about how much protection remains is still conditional on individual contracts.
• Profitability and aftermarket: original vs reviewer. The original note called equipment the most profitable layer and treated service/upgrades as a recurring, partly counter-cyclical floor absent in 2001. The reviewer finds the ranking unsupported (TSMC's operating margin is higher) and the floor unproven: service existed in 2001, IBM includes discretionary upgrades, and Lam CSBG includes equipment [17][24][38][43]. Strong present earnings are agreed; cycle cushioning is plausible but unquantified.
• AI attribution: original vs reviewer. The original inferred roughly half of ASML sales as AI systems by subtracting China and IBM shares and inferred mature logic flat/down from relative growth rates. The reviewer rejects the overlapping partition and missing starting mix. This note retains the management growth evidence without treating either inference as measured exposure [2][4][38].
• Downturn and valuation: original vs reviewer. The original judged hard landings inevitable, inferred gross margins in the 30s after a 40% volume decline, and read shipment of the order book/top-end 2030 sales into the valuation. The original also treated current profit as proof that expansion already earns a return; the reviewer distinguishes existing earnings from the unmeasured return on the next capacity increment. The reviewer finds no cost or reverse-valuation model supporting the downturn/valuation claims, notes the profitable 2024 plateau, and concludes material cyclical/valuation risk without established unavoidable shareholder impairment [13][17][18][37][39]. Both views recognize that a downstream investment reversal can hurt equipment orders and equity; its timing, magnitude and solvency effects remain unresolved.
• China policy. The original view was that a near-total DUV/servicing ban could remove most China revenue and that nothing was enacted. The reviewer does not independently certify current enactment status or a fresh Dutch ban. Introduced MATCH texts and the August pressure report support policy risk, not an automatic loss of all geographic revenue [46][47][36]. Latest text/actions, affected products, servicing rights and replacement demand need verification before quantifying a loss.
• WFE forecast definitions and vintages. July SEMI WFE implies $143.9bn × 1.218 = $175.2702bn in 2027, versus TEL's $190bn+: a gap of ~$14.7bn at TEL's floor, not the original $50bn. Scope differs (including TEL's WLP treatment and KLA's packaging inclusion), so this is not a like-for-like disagreement [33][32][41]. Lam's preliminary 2027 view above $200bn (October 21) exceeds both, at least $25bn above the SEMI-derived figure on Lam's own WFE definition; it is a company estimate, graded B via secondary transcripts [50]. SEMI's October 300mm forecast supersedes the stale December-2025 fab-spending reference for that separate series and projects double-digit growth through 2029; it must not be spliced into OEM WFE [42].
• Memory cycle and remaining unknowns. Memory growth can reverse independently of logic; whether AI demand makes this cycle more durable is unresolved. ASML's exact AI share, customer identities and current backlog are not disclosed in the checked material; neither are Zeiss/Trumpf EUV-specific revenue and capacity [11][34][35]. Absence of bookings in checked 2026 releases establishes reduced visibility, not by itself a permanent annual-only disclosure policy [9][1].

Signals to watch

Sources

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34. https://www.zeiss.com/semiconductor-manufacturing-technology/about-us.html — Carl Zeiss SMT, "About us" (FY2024/25 revenue and headcount), accessed 2026-10-17.
35. https://www.optica-opn.org/Home/Industry/2026/July/Trumpf_Sees_Signs_of_Recovery — Optics & Photonics News, "Trumpf Sees Signs of Recovery", 2026-07-31, accessed 2026-10-17.
36. https://www.trendforce.com/news/2026/08/25/news-u-s-may-push-near-total-asml-china-ban-on-duv-sales-and-servicing-amid-chinas-domestic-lithography-push/ — TrendForce (citing NU.nl and Reuters), "U.S. may push near-total ASML China ban on DUV sales and servicing", 2026-08-25, accessed 2026-10-17.
37. https://stockanalysis.com/stocks/asml/statistics/ — StockAnalysis, original quote attributed to 2026-10-16, inspected in the independent cross-check on 2026-10-17. Tertiary, internally inconsistent and not independently verified; grade D. Precise valuation figures are withheld pending reconciliation.
38. https://investor.asml.com/static-files/40c56a6b-1460-4f69-9340-6a869560d24b — ASML, company-hosted Q3 2026 prepared investor-call remarks, 2026-10-14, fetched 2026-10-17. Primary; advanced-logic Q&A remains separately sourced to [4].
39. https://investor.asml.com/news-releases/news-release-details/asml-provides-updated-view-market-opportunities-2024-investor-day-meeting — ASML, original 2030 scenario release, 2024-11-14, fetched 2026-10-17. Primary.
40. https://investor.lamresearch.com/image/Q4_2026_slides_final.pdf — Lam, Q4 FY2026 investor slides (WFE outlook and June-quarter systems mix), 2026-07-29, fetched 2026-10-17. Primary.
41. https://d1io3yog0oux5.cloudfront.net/_796af9c73d54dd068b3ab74e91c701fb/klatencor/db/1117/10668/letter_to_shareholders/KLA+Earnings+Shareholder+Letter+-+Q4+FY26.pdf — KLA, Q4 FY2026 shareholder letter, 2026-07-28, directly downloaded and text-extracted 2026-10-17. Primary; packaging is calendar-2026 forecast revenue, not an actual result.
42. https://www.semi.org/en/semi-press-release/global-300mm-fab-equipment-spending-to-reach-227-billion-in-2029-as-buildout-accelerates-semi-projects — SEMI, 300mm Fab Outlook update, 2026-10-13, fetched 2026-10-17. Primary forecast, separate from OEM WFE.
43. https://investor.tsmc.com/japanese/encrypt/files/encrypt_file/reports/2026-10/eba4fac72873bf546b669bd2b5d973df5c93215d/TSMC%203Q26%20Transcript.pdf — TSMC, company-hosted Q3 2026 earnings-call transcript, 2026-10-15, fetched 2026-10-17. Primary management statements, capex and reported operating margin.
44. https://investor.tsmc.com/english/quarterly-results/2026/q3 — TSMC, Q3 2026 results page, 2026-10-15, fetched 2026-10-17. Primary.
45. https://www.sec.gov/Archives/edgar/data/723125/000072312526000023/mu-20260903.htm — Micron, FY2026 Form 10-K (year ended 2026-09-03), Liquidity and Capital Resources and customer agreements, available October 2026, fetched 2026-10-17. Primary; letters of credit are not cash deposits.
46. https://www.govinfo.gov/content/pkg/BILLS-119hr8170ih/html/BILLS-119hr8170ih.htm — Official introduced House MATCH bill H.R. 8170, 2026-04-02, fetched 2026-10-17. Primary introduced text, not a current action-history certification.
47. https://www.govinfo.gov/content/pkg/BILLS-119s4281is/html/BILLS-119s4281is.htm — Official introduced Senate MATCH bill S. 4281, 2026-04-13, fetched 2026-10-17. Primary introduced text, not a current action-history certification.
48. https://www.sec.gov/Archives/edgar/data/707549/000070754926000052/lrcx_exhibitx991xq1x2027.htm — Lam Research, results for quarter ended 2026-09-27 (8-K EX-99.1), 2026-10-21, accessed 2026-10-25. Primary.
49. https://www.sec.gov/Archives/edgar/data/707549/000070754926000054/lrcx-20260927.htm — Lam Research, Form 10-Q for quarter ended 2026-09-27 (revenue by region and market segment, deferred revenue, MD&A), filed 2026-10-22, accessed 2026-10-25. Primary.
50. https://www.fool.com/earnings/call-transcripts/2026/10/21/lam-research-lrcx-q1-2027-earnings-call-transcript/ — The Motley Fool, "Lam Research (LRCX) Q1 2027 Earnings Call Transcript", 2026-10-21, accessed 2026-10-25 through a summarising reader, not verbatim. WFE, supply-constraint and China statements were corroborated by search-result summaries of GuruFocus and Benzinga call coverage, not separately fetched. Lam's investor-relations slide URL by the July naming pattern returned 404; no company-hosted prepared remarks were retrieved. Secondary.
51. https://investor.lamresearch.com/ — Lam Research investor relations (Q1 FY2027 slides not retrieved at the guessed path), checked 2026-10-25.
52. https://finance.yahoo.com/markets/article/chip-stocks-fall-as-equipment-maker-lam-research-cites-supply-chain-constraints-130648719.html — Yahoo Finance (Ines Ferré), "Chip stocks fall as equipment maker Lam Research cites 'supply chain constraints'", 2026-10-22, accessed 2026-10-25. Secondary; intraday moves.
53. https://www.investing.com/news/earnings/lam-research-tops-firstquarter-targets-and-issues-upbeat-guidance-stock-falls-4963987 — Investing.com (Luke Juricic), "Lam Research tops first-quarter targets and issues upbeat guidance, stock falls", 2026-10-21, accessed 2026-10-25. Secondary; consensus figures.
54. https://www.cnbc.com/2026/10/21/stock-market-today-live-updates.html — CNBC live blog, "Nasdaq falls more than 2% for worst day since June as AI spending woes, oil prices spark sell-off", 2026-10-21; headline and search-result summary only, page not fetched. Secondary, grade C.

Review applied: independent Codex cross-check, 2026-10-17. New figures were re-fetched from the cited primary sources; [11] required direct SEC HTML retrieval because the web reader could not load the full filing. A grades for forecasts refer to what the source forecast, not confidence that the outcome will occur.

Data files: data/semiconductor-equipment-asml-quarterly.csv (quarterly net sales, IBM sales, bookings, margins, units, 2023Q1–2026Q3), data/semiconductor-equipment-asml-annual-downturns.csv (annual sales, margins, backlog and cancellations across the 2001, 2009 and 2023 downturns) and data/semiconductor-equipment-lam-quarterly.csv (Lam revenue, systems/CSBG split, margins, China share, market mix, deferred revenue and cash flow for the September-2025, June-2026 and September-2026 quarters, with December-2026 guidance in the header).