Asian Markets Slide as Chip Stocks Lead Coordinated Selloff

On July 28, 2026, AI-sector selling hit three Asian indices: South Korea's KOSPI fell 8% (triggering a circuit breaker — a trading halt), Japan's Nikkei 225 closed down 4.3%, and Taiwan's Taiex dropped 3.9%. Samsung lost 13.4% and SK Hynix fell 10% on Nvidia financing and China competition fears. The rout preceded Big Tech earnings.