The stock market on October 17, 2011
October 17, 2011, a Monday. The S&P 500 fell 1.94% to close at 1200.86. Of 4,011 US stocks that traded, 610 rose and 3,182 fell.
The S&P 500-1.94%closed at 1200.86
How big a move#1,798of 24,799 trading days since 1928
$100 in the index since$642price only, to September 24, 2026
Stocks that rose610of 4,011; 3,182 fell
Biggest companyAppleby market value that day
Biggest rises among the 500 largest companies
| El Paso (EP) | +24.8% |
| Brigham Exploration Co (BEXP) | +21.1% |
| Kosmos Energy Ltd. (KOS) | +7.5% |
Biggest falls among the 500 largest companies
| Keurig Green Mountain (GMCR) | -10.4% |
| Wells Fargo (WFC) | -8.4% |
| Halliburton (HAL) | -7.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
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Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.