Software Stocks Slide Again as AI Threats Rattle Investors

Software makers, advertising agencies and investment firms were caught in another wave of selling as investors worried about the business risks they face from better artificial intelligence tools.

An exchange-traded fund for US software stocks slid as much as 4.1% to the lowest since April, with AppLovin Corp. and Unity Software Inc. among the biggest sector decliners. Take-Two Interactive Software Inc. fell 6.6%, with Adobe Inc. and Omnicom Group also lower.