The AI Sell-Off Compared to Well-Known Stock Market Crashes: S&P 500 vs 1987, 2008 and Covid | Company Atlas
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The S&P 500 fell 4.4% on 5 Nov 2026, its worst day since April 2025, and is 6% below its 6 Oct record. Charted day by day against 1987, 2008, Covid and other falls since 1950.