Stock Markets July 29, 2026 04:06 AM

ASM International Shares Plunge After Reports of China Scaling DUV Immersion Production

Market reaction centers on geopolitical competition despite ASMI's record quarter and upgraded outlook

By Hana Yamamoto
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ASML

ASM International dropped sharply in trading after reports circulated that China is moving toward large-scale domestic production of advanced deep ultraviolet (DUV) immersion lithography machines, a technology that directly competes with equipment sold by European chip-equipment makers. The decline occurred despite ASMI reporting a record Q2 and raising its 2027 outlook; sector peers also retreated, amplifying the selloff.

ASM International Shares Plunge After Reports of China Scaling DUV Immersion Production
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Key Points

  • ASMI shares dropped 8.7% to €690.6 after reports China is moving toward large-scale domestic production of advanced DUV immersion lithography machines.
  • The selloff occurred despite ASMI reporting record Q2 2026 results: €1.003 billion in revenue, a 51.9% gross margin, and adjusted net earnings of €292.9 million (over 69% above the prior year); the company also raised its 2027 outlook.
  • The decline was sector-wide: peers ASML and BESI also fell on the Amsterdam exchange, and the AEX index was pressured, highlighting concentrated risk in the semiconductor equipment sector.

ASM International shares fell steeply during the session, sliding 8.7% to trade at €690.6 after media reports on July 27-28 indicated China is advancing toward large-scale domestic production of advanced deep ultraviolet (DUV) immersion lithography systems. Those systems compete directly with tools manufactured by Dutch semiconductor equipment companies and the news appeared to prompt investor concerns about the long-term competitive dynamics facing the European chip-equipment industry.

The decline unfolded even as the company posted a standout quarter. ASMI reported Q2 2026 revenue of €1.003 billion, beating the midpoint of its guidance. The company delivered a 51.9% gross margin and adjusted net earnings of €292.9 million, which the company said was more than 69% higher than a year earlier. Management also raised its outlook for 2027, citing continued demand tied to AI-related chip equipment.

Despite those operating and financial positives, the market reaction prioritized the geopolitical competitive risk. Traders and investors appeared to treat the earnings as secondary to the report about China’s potential domestic production push - a classic "sell the news" pattern. An earnings conference call scheduled for 3:00 p.m. CET on July 29 added an additional element of intraday uncertainty for market participants.


The selloff was not isolated to ASMI. Major sector peers on the Amsterdam exchange also retreated, signaling a sector-wide move rather than a company-specific issue. Market snapshots during the session showed ASML and BE Semiconductor Industries (BESI) posting declines, and one set of intraday quotes listed ASMI at -8.52%, ASML at -2.46% and BESI at -3.11%. Observers noted the AEX index was pressured by chip names; the article reported that the AEX index fell roughly 0.8%, weighed down almost entirely by chip stocks, while a later market snapshot showed AEX at -0.35%.

Analysts’ consensus ratings remained constructive, with most maintaining Buy recommendations. Nevertheless, a combination of factors pushed the stock sharply lower: the newly reported technical threat from China, post-earnings profit-taking after a strong run from ASMI’s 52-week low of €400, and contagion across the chip-equipment peer group. Together these dynamics outweighed the quarter’s strong metrics in investors’ near-term decision-making.

In short, the session underscored how geopolitical and competitive headlines can override recent operational momentum in capital markets, particularly within concentrated sectors such as semiconductor equipment. While ASMI’s underlying business metrics for the quarter were robust and the company raised its forward-looking outlook, short-term market sentiment was dominated by concerns about evolving global competition and the potential implications for European equipment suppliers.

Risks

  • A credible technology and manufacturing threat from China to Europe’s chip-equipment makers could erode competitive positioning and affect the semiconductor equipment sector.
  • Post-earnings profit-taking after a strong recovery from ASMI’s 52-week low of €400 may increase volatility for chip-equipment stocks and related indexes.
  • Sector contagion: declines at major peers can amplify selling pressure across the European chip-equipment segment and weigh on the AEX index and other market benchmarks.

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