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US markets: 20 Oct 2026 close — S&P 500 7,712.57 (+0.28%); Nasdaq Composite 26,424.82 (-0.02%); Dow Jones 52,495.88 (+1.02%).

Yahoo Finance S&P 500 historical-price table including October 20 and 19, 2026; Close column shows regular-session closes.

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Yahoo Finance ↗ · Source dated

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US markets: 20 Oct 2026 close — S&P 500 7,712.57 (+0.28%); Nasdaq Composite 26,424.82 (-0.02%); Dow Jones 52,495.88 (+1.02%). · ournews.ai