Nasdaq Drops 5% Into Correction as AI Selloff Deepens

As seen on the 24/7 Wall St. homepage on November 5, 2026.

Reddit Pulse r/stocks
AI selloff escalates: Nasdaq 100 plummets 5.7%, Nasdaq tumbles 5%, S&P 500 falls 3.5%, and the Dow reverses earlier gains

u/TorukMaktoM 363 upvotes 171 comments

So yesterday market wasnt fearful but nothing changed today and they are fearful now?

The Nasdaq's slide into correction territory landed one day after a massive rally, and the top comment nails the uncomfortable part: nothing fundamental changed overnight. Concentrated AI exposure is what turns a rotation into a portfolio event.

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The Nasdaq Composite fell 5% on Thursday, erasing the sharp gains from the session before and sliding into correction territory. The breadth of the decline left few places to hide, even as defensive names like Chevron and Johnson & Johnson posted gains.

The selling was concentrated in stocks tied to the artificial intelligence trade, particularly those linked to chips and data centers, which fell for a second consecutive day. Investors cited concern that a Democratic sweep of both chambers of Congress, along with key gubernatorial victories, brings heavier regulation of the AI buildout across the country.

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Thursday's drop came one day after a massive rally, with nothing in the fundamental picture changed overnight, a tension the top comment on r/stocks captured directly: 'So yesterday market wasn't fearful but nothing changed today and they are fearful now?' That comment drew 436 upvotes.

That whipsaw dynamic is the core risk for portfolios with concentrated AI exposure. A single-session rotation that reverses a full day's gains shows how quickly sentiment-driven moves unwind when one theme was doing the lifting.

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