Asian stocks gain after optimism about AI sends Wall Street higher

Asian shares are mostly higher, with Japan’s benchmark hitting a record high, as investors were cheered by an overnight Wall Street rally that seemed to reflect optimism about the artificial-intelligence boomCurrency traders celebrate as they work in the office with a screen showing the Korea Composite Stock Price Index (KOSPI) of over 6,000 points at a dealing room of Hana Bank in Seoul, South Korea, Wednesday, Feb. 25, 2026. (Kim Sung-min/Yonhap via AP)TOKYO -- Asian shares mostly rose in Wednesday mornin ...