A worldwide sell-off in technology shares has reversed the rally in Chinese AI and semiconductor stocks, hurting mutual funds that had piled into the sector and exposing risks in crowded bets on AI infrastructure spending

(Bloomberg) -- A selloff in chipmakers deepened as mounting doubts over returns from billions of dollars of artificial-intelligence spending rippled through semiconductor stocks…

Chinese stocks fell to a one-week low on Tuesday, led by a sharp selloff in technology and semiconductor shares as investors questioned AI-driven valuations. The CSI300 dropped…