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Stock Market Today, Feb. 26: Nasdaq and S&P 500 Stumble on Fading Nvidia Optimism

By Yahoo Finance · 2026-02-28
Stock Market Today, Feb. 26: Nasdaq and S&P 500 Stumble on Fading Nvidia Optimism
Why it matters: This market volatility underscores the outsized influence of tech giants like Nvidia and the growing uncertainty surrounding AI's impact, forcing investors to reassess growth expectations and sector allocations.
The Nasdaq and S&P 500 stumbled as initial optimism surrounding Nvidia's earnings faded, triggering a tech sell-off and raising broader AI jitters. While the Dow Jones Industrial Average saw a slight gain due to its lower tech weighting, investors are now questioning the sustainability of Nvidia's growth and rotating out of sectors vulnerable to automation.

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