StocksMediumUpdated•Originally published 26 February 2026•Updated 27 February 2026•
1 min read

Nasdaq and S&P 500 Slide as Concerns Mount Over Inflated Big Tech Valuations

Key Facts

1The Nasdaq and S&P 500 fell during the final hour of trading.
2Nvidia's earnings results failed to lift the broader technology sector.

Major US indices, including the Nasdaq and S&P 500, faced downward pressure as Nvidia's earnings failed to sustain the technology sector's momentum. Despite solid financial results, the market reaction shifted toward a "sell the news" event, highlighting the impact of excessively high prior expectations. Strategists are now expressing heightened concerns that Big Tech valuations have become significantly inflated relative to their actual worth. This perceived valuation gap has increased market vulnerability, leading to immediate pressure on key ETFs like QQQ and SPY. Analysts suggest that Nvidia's inability to lift the broader market reflects a cooling phase for AI-related sectors. Investors are closely monitoring whether this pullback signals a broader correction driven by fundamental valuation concerns across the growth sector.