https://www.theguardian.com/technology/2024/apr/25/meta-value-falls-190bn-as-investors-react-to-plan-to-increase-spending-on-ai

Shares slumped 15% after Mark Zuckerberg said AI spending would have to grow before Meta could make much revenue from products

Shares in Meta slumped 15% when Wall Street opened on Thursday, wiping about $190bn off the value of the Facebook and Instagram parent company, as investors reacted to a pledge to ramp up spending on artificial intelligence.