Nvidia, AMD, SK Hynix, Micron Shares Plunge Up To 9% After China Cracks DUV Lithography

A Chinese state-backed firm has begun mass-producing domestic DUV lithography machines, triggering a sharp sell-off in global semiconductor stocks including Nvidia, AMD, SK Hynix, and Micron (down 4–9%). The breakthrough raises concerns that China's technological progress could reduce dependence on Dutch equipment giant ASML and U.S. suppliers, undermining the long-term effectiveness of Western export controls.

This Wire brief sits within Fusion42's coverage of Semiconductors. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.