The stock market on October 21, 2005
October 21, 2005, a Friday. The S&P 500 rose 0.15% to close at 1179.59. Of 4,889 US stocks that traded, 2,854 rose and 1,745 fell.
The S&P 500+0.15%closed at 1179.59
How big a move#20,427of 24,799 trading days since 1928
$100 in the index since$653price only, to September 24, 2026
Stocks that rose2,854of 4,889; 1,745 fell
Biggest companyGeneral Electricby market value that day
Biggest rises among the 500 largest companies
| Cbot Holdings Inc (BOT) | +23.2% |
| SanDisk (SNDK) | +21.7% |
| Robert Half International (RHI) | +15.2% |
Biggest falls among the 500 largest companies
| Caterpillar (CAT) | -9.5% |
| Tenet Healthcare (THC) | -6.8% |
| Fiserv (FI) | -6.4% |
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.