KOSPI Plunges 14.5% as AI Credit Stress Grows and Strategy Slows Bitcoin Buys

South Korea’s benchmark stock index fell 14.5% as AI-sector credit stress deepened, while Strategy faced a potential index exit and slowed Bitcoin buying, adding to cross-market risks for crypto investors. The KOSPI’s drop was its steepest since October 2008. Shares of Samsung Electronics and SK Hynix declined between 17% and 24%, extending pressure beyond the index. Credit markets also showed strain: CoreWeave’s credit-default swap spread reached 1,128 basis points, 828 basis points above Oracle’s 300 basis points. Technology-sector credit spreads continued to widen. The U.S.