US chip stocks slide on report of China's homegrown DUV lithography breakthrough

A Shanghai-based company has begun large-scale production of domestically developed immersion DUV lithography machines, historically dominated by foreign suppliers like ASML. The report triggered a sharp sell-off in US semiconductor stocks, including ASML (down 7%), Applied Materials, Lam Research, and chipmakers AMD and Micron, as investors reassess China's semiconductor self-sufficiency trajectory amid US export restrictions.

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