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Chip stocks fall as China begins mass production of domestic DUV lithography machines

Market News
27 Jul 2026
Proactive Investors
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Bearish
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Shares of major chipmakers like ASML, AMD, and Micron dropped sharply after reports that a Chinese state-backed firm started mass-producing domestic deep ultraviolet (DUV) lithography machines. This development threatens sales of older-generation tools from companies like ASML, which has been restricted from selling advanced EUV machines to China due to export controls. China's progress in DUV technology allows it to produce near-frontier chips without relying on Western supply chains, unsettling investors and policymakers. The sector also faces broader valuation pressures amid changing macroeconomic conditions and high expectations for AI-related infrastructure spending.

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