The stock market on October 21, 2011
October 21, 2011, a Friday. The S&P 500 rose 1.88% to close at 1238.25. Of 4,005 US stocks that traded, 3,036 rose and 743 fell.
The S&P 500+1.88%closed at 1238.25
How big a move#1,910of 24,799 trading days since 1928
$100 in the index since$622price only, to September 24, 2026
Stocks that rose3,036of 4,005; 743 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Altera (ALTR) | +12.2% |
| SanDisk (SNDK) | +9.4% |
| Chipotle Mexican Grill, Inc. (CMG) | +8.3% |
Biggest falls among the 500 largest companies
| Pharmasset Inc (VRUS) | -8.6% |
| Informatica Corp (INFA) | -4.6% |
| SunTrust Banks (STI) | -3.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 20, 2011 · Every October 21 · October 24, 2011 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.