October Sell-Off, Anyone? The S&P's 10 Worst Trading Days

For sheer stock-market horror, there’s no month like October.

 (FILES) A file photo dated 19 October, 1987 shows a trader (C) on the New York Stock Exchange shouting orders as stocks were devastated during one of the most frantic days in the exchange's history. The Dow Jones index plummeted 22.68 percent, some 508 points, to close at 1,738.41 points in one record trading session. Ten years later, the Dow Jones revolves around 8,000 points as part of a steady rise that includes gains of some 25 percent in 1997.
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