Big Tech Stocks Today: Magnificent Seven Slide After AI Funding Jitters Hit the Nasdaq (Dec. 17, 2025)
As of 6:00 p.m. ET on Wednesday, December 17, 2025, Big Tech stocks finished the U.S. session broadly lower, with the AI trade back in the crosshairs. The headline driver wasn’t a single earnings miss from a mega-cap—rather, it was a growing market debate over how the next wave of AI infrastructure gets financed, and whether the returns will justify the scale of spending now embedded in forecasts. Reuters+1 Stock market close: Tech leads the retreat U.S. stocks ended sharply lower, led by technology and AI-linked names. By the closing bell: A key catalyst was renewed selling in AI infrastructure and chip-related stocks after