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Dow drops more than 800 points, S&P 500 posts five-day losing streak

The Dow tumbled 3.15%, or 831.83 points, with every component finishing in the red. The declines marked the biggest single-day drop for the index since February. The S&P 500 fell 3.29%, or 94.66 points for its fifth day of losses and longest losing streak since late 2016. The Nasdaq slipped 4.08%, or 315.97 points.