KOSPI Plummets Over 8% as Chinese Semiconductor Threat Triggers Circuit Breaker

South Korea's KOSPI index fell over 8%, triggering circuit breakers, after Chinese semiconductor maker ChangXin Memory Technologies (CXMT) listed on Shanghai Stock Exchange and reports emerged that Chinese firms have begun producing deep ultraviolet lithography equipment. Samsung Electronics and SK Hynix fell 11-12%, signalling investor concerns about Chinese competition in memory chips.

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.