ASML stock sinks as China reportedly starts producing homegrown DUV chip machines

China has begun manufacturing domestic deep ultraviolet (DUV) lithography machines and plans to deliver approximately five units this year and 20 in 2027 to local chipmakers including SMIC and Hua Hong Semiconductor, reducing dependence on ASML's equipment as Western export controls tighten. The machines currently lag ASML's performance and reliability but signal progress towards China's strategic goal of localising its semiconductor equipment supply chain.

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