Global Market: Japan’s Nikkei plunges over 4% as chip stocks track global tech selloff

Japan's Nikkei index tumbled over 4% on Tuesday to a two-month low, led by a deep selloff in semiconductor and AI-related stocks following losses on Wall Street. Major chipmakers including Kioxia, Tokyo Electron, and Advantest saw sharp declines as cautious investors reassessed valuations ahead of major technology earnings.