AI Stocks Today in Asia Stock Markets: Chip and Tech Shares Rebound as BOJ Hikes Rates and Nvidia’s China Chip Review Reshapes Sentiment (Dec. 19, 2025)
TOKYO / SEOUL / HONG KONG / TAIPEI — Friday, Dec. 19, 2025 — AI stocks across Asia stock markets bounced on Friday, with investors buying back into chip and platform names after a bruising week for “AI trade” valuations. The rebound came as Japan delivered a widely expected Bank of Japan (BOJ) rate hike, global risk appetite improved on a U.S. inflation downside surprise, and a fresh U.S. policy headline on Nvidia chip sales to Chinainjected both upside optionality and new uncertainty into the region’s AI supply chain narrative. Investing.com Australia+2Reuters+2 Asia’s broader tone was constructive: Reuters reported Japan up about 1.3%, South Korea