US futures and Asian shares slip as worries over Trump's Fed chief pick and AI weigh on markets

U.S. futures and Asian shares have skidded as worries over President Donald Trump's nominee to be the next Federal Reserve chair amplified jitters over a possible bubble in the artificial intelligence boomA currency trader talks on the phone near a screen showing the Korea Composite Stock Price Index (KOSPI), top center, and the foreign exchange rate between U.S. dollar and South Korean won, top center left, at the foreign exchange dealing room of the Hana Bank headquarters in Seoul, South Korea, Friday, Ja ...