Summary · why it matters
The S&P 500 fell to a 1.5-week low as a global selloff in technology shares intensified, with South Korea’s Kospi index closing down more than -10%. The Nasdaq 100 dropped 2.69% and the Dow Jones Industrial Average slipped 0.30%, while chipmakers and AI-infrastructure stocks led the decline. The iShares Semiconductor ETF sank more than 7%, with Sandisk down over 12% and Micron Technology down more than 11%. The rout began in Asia, where Japan’s Nikkei fell over 3% and foreign investors offloaded more than $2.5 billion of Kospi shares, triggering forced liquidation among retail margin traders and leveraged ETF selling tied to SK Hynix and Samsung Electronics, both of which closed down more than 12%. Safe-haven demand pushed 10-year Treasury notes higher, with the yield falling 2.2 basis points to 4.487%, while the 10-year German bund yield dropped to a 2.5-month low of 2.905%.