AI Stock Selloff
June 23 – June 24, 2026 Updated 10h ago
Global chip selloff deepens as AI valuation fears hit Nasdaq, KOSPI plunges 10%
Semiconductor and AI stocks tumbled worldwide on June 23 as investors questioned stretched valuations and a more hawkish Fed. Micron fell 11%, Nvidia about 6% and South Korea’s KOSPI sank nearly 10%.
KOSPI plunges 10%, triggers circuit breaker as Samsung and SK Hynix crater
South Korea’s KOSPI crashed 9.99% on June 23, halting trading, as chip giants Samsung and SK Hynix each fell about 12% and foreign investors dumped $3.8 billion in shares. The index rebounded the next day.