15th December 2025 – Tech Drags Markets Lower as Broadcom Outlook Cools AI Optimism

U.S. equities closed sharply lower overnight, led by a broadsell-off in technology and semiconductor stocks as investor enthusiasm around the AI trade softened. The S&P 500 fell 1.1%, the Nasdaq dropped 1.7%, and the Dow Jones declined 0.5%, as weakness in chipmakers triggered a widerrisk-off move across markets.Sentiment turned after Broadcom weighed on the sector,reigniting concerns around stretched valuations and the timing of returns from heavy AI-related capital expenditure. While the broader macro backdrop remainssupportive, the session served as a reminder that expectations for AI monetisation remain sensitive to guidance and margins.