Wall Street Slumps as Nvidia and Semiconductor Selloff Drags Tech Indices Lower

US stock markets faced significant downward pressure during the February 26, 2026 trading session, driven by a sharp decline in the technology sector. A major selloff in Nvidia and other semiconductor companies acted as the primary catalyst for the broader market weakness. Major indices, including the S&P 500 and Nasdaq 100, retreated as investors moved away from high-valuation chip stocks. Analysts noted that the tech sector's decline directly weighed on investor sentiment ahead of the closing bell. Given Nvidia's substantial weight in market benchmarks, its price drop triggered a wider retreat across Wall Street. Market participants are now closely monitoring whether this correction in the semiconductor space will persist in the coming sessions.