ASML and U.S. chip stocks sink on report of China's DUV breakthrough

China has reportedly achieved mass production of domestic immersion DUV lithography machines, threatening ASML's dominant position and triggering a sell-off across U.S. semiconductor equipment makers. The breakthrough undermines the strategic intent of pending U.S. export controls and signals accelerated Chinese chipmaking self-sufficiency.

This Wire brief sits within Fusion42's coverage of Semiconductors, and 5 sources have reported it between 27 Jul 2026 and 28 Jul 2026.