Google value plunges by $500bn as AI search hits ad sales

Google's stock hit a six-month low after the company revealed that its AI search summaries are hurting ad revenue, wiping $500 billion off its market value. Investors reacted sharply to the disclosure, which signals that the shift to AI-driven search may be undermining Google's core advertising business. The decline marks a significant setback for the tech giant as it navigates the AI transition.