Chip Equipment Stocks Slide as AI Pacing Call Reaches Fab Spending: Applied Materials and Lam Research Fall 6%, ASML Sinks 5%

Sep 14, 2026
chip-equipment-stocks-slide-as-ai-pacing-call-reaches-fab-spending:-applied-materials-and-lam-research-fall-6%,-asml-sinks-5%

David Moadel

6 min read

Quick Read

  • Applied Materials and Lam Research each tumbled 6% as AI CEOs calling for slower model development threatened their equipment order books.

  • SOXX dropped 5% while SPY fell just 0.5%, exposing how the pacing debate hits equipment order books before it touches current chip shipments.

  • Applied Materials set a Q3 revenue record at $9.12 billion, up 25%, but the market is questioning whether that growth rate can hold.

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Chip equipment stocks are the center of Monday morning’s selling. Applied Materials (NASDAQ:AMAT) stock is down 6% to $429.71, Lam Research (NASDAQ:LRCX) stock is falling 6% to $279.18, and ASML Holding (NASDAQ:ASML) stock is sliding 5% to $1,606.66. ASML is a Dutch lithography equipment maker, and the figures here are for its U.S.-listed shares.

Close-up of laptop SO-DIMM RAM memory modules

Shutterstock

The iShares Semiconductor ETF (NASDAQ:SOXX) is down 5% as the selling spreads across the chip complex. The SPDR S&P 500 ETF Trust (NYSEARCA:SPY) is slipping 0.78%, so the broad market is barely moving while the tools layer takes the brunt. The SOXX semiconductor fund holds chip designers and foundries alongside equipment makers, so treat that fund as sector context rather than confirmation of an equipment-specific move.

Applied Materials stock is down 22% over the past month, so today’s decline extends a slide that began well before the weekend. That earlier weakness matters for reading what’s driving Applied Materials now, since it shows the market started discounting a demand risk long before the pacing headlines landed. That extended slide makes Applied Materials the featured name of this cluster, and its story frames the read across to Lam Research and ASML.

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AI Pacing Call Reaches Fab Spending

Anthropic CEO Dario Amodei wrote over the weekend that frontier artificial intelligence (AI) companies should slow the pace at which they improve model capabilities. He stated, “We must slow the pace at which we improve the capabilities of AI models. Progress will still seem fast, and we must make wise use of the time we gain.” OpenAI CEO Sam Altman publicly agreed and the head of xAI said the same, with all three labs privately held so the direct market read runs through customers and infrastructure suppliers rather than through the AI companies themselves.

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