Nikkei 225 Falls 5.8% as AI Selloff Spreads From Wall Street to Asia

Japan's Nikkei 225, an index of 225 major companies, slid 5.8% on November 6, 2026, after falling more than 6% soon after the open, per Bloomberg. The drop was set to be its biggest one-day loss since April 2025. It followed an AI-led U.S. rout, the worst since 2020. Asian index funds weighted toward tech carry this exposure.