Meta's CEO Mark Zuckerberg attends the Senate Judiciary Committee hearing on online child sexual exploitation at the U.S. Capitol, in Washington, U.S., January 31, 2024.Meta Platforms' stock dropped more than 12% Thursday as skepticism about the payoff from its aggressive artificial intelligence spending plans overshadowed strong results.The social media giant lifted its 2025 capital expenditures guidance as it races against competitors to build out advanced AI tools. Meta now expects capex to range between ...