AI Stock Selloff Hits Asia: South Korea Halts Trading as Japan Enters Bear Market

Key Facts
The AI stock crash on Wall Street triggered a sharp selloff in Asian markets, leading to a trading halt in South Korea. According to 247wallst.com, South Korea's KOSPI index fell 8.52% by 9:03 a.m., triggering circuit breakers and a 20-minute trading suspension, while Japanese markets entered bear market territory following heavy losses in the chip and memory sectors.
Major memory chip makers were hit hard, with Samsung Electronics falling 10.07% and SK hynix dropping 12.26% on the morning of November 6, 2026. In Tokyo, the Nikkei fell more than 20% below its June peak, the technical threshold for a bear market, as shares of Advantest dropped approximately 12% and Tokyo Electron fell nearly 9%.
Bank of Japan Governor Kazuo Ueda is scheduled to deliver a speech later today, November 6, 2026, while markets await the Summary of Opinions and Current Account data due on November 9, 2026, for further monetary policy guidance.