The stock market on May 9, 2011
May 9, 2011, a Monday. The S&P 500 rose 0.45% to close at 1346.29. Of 4,072 US stocks that traded, 2,570 rose and 1,287 fell.
The S&P 500+0.45%closed at 1346.29
How big a move#13,296of 24,799 trading days since 1928
$100 in the index since$572price only, to September 24, 2026
Stocks that rose2,570of 4,072; 1,287 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Weight Watchers (WTW) | +14.2% |
| Sysco (SYY) | +10.7% |
| Nuance Communications, Inc. (NUAN) | +8.3% |
Biggest falls among the 500 largest companies
| Tyson Foods (TSN) | -6.0% |
| Micron Technology (MU) | -3.8% |
| Delta Air Lines (DAL) | -3.6% |
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.