AI Stock Frenzy: Tech Titans Shatter Records Amid Earnings Blowouts and Bold Moves (July 30–31, 2025)
Major U.S. indices vaulted to record highs as investor enthusiasm around AI ignited a tech rally. On July 31, the S&P 500 and Nasdaq surged after blockbuster Big Tech earnings, even as inflation data and Fed caution typically might have cooled risk appetite reuters.com nbcrightnow.com. Microsoft stock leapt about 5%, propelling the company past a $4 trillion market cap milestone – a level previously reached only by AI-chip superstar Nvidia reuters.com. Meta Platforms jumped 12% to an all-time high after crushing earnings and issuing an upbeat forecast, crediting AI-driven ad targeting for unexpectedly strong revenue growth reuters.com. Nvidia also extended gains, and the tech-heavy Nasdaq Composite pushed above its prior record close nbcrightnow.com.