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.

Japan's Nikkei share average closed higher on Monday, boosted by lower oil prices. Investors remained cautious due to upcoming major earnings reports from U.S. cloud companies.…

Japan's Nikkei fell over 3% as a global chip selloff hit Advantest and Tokyo Electron after Nvidia's decline, ahead of key U.S. tech earnings.