Meta shares tumble as Zuckerberg tries to sell his vision for AI ‘agents’

Meta shares fell more than 15% after the company reported disappointing revenue projections and rising costs, as CEO Mark Zuckerberg defended his strategy of investing heavily in AI 'agents'—personalized bots that he believes will transform the social media platform. The stock decline erased over $200 billion in market value, reflecting investor skepticism about the near-term returns from Meta's AI spending.