The stock market on August 11, 1981
August 11, 1981, a Tuesday. The S&P 500 rose 0.99% to close at 133.85. Of 4,966 US stocks that traded, 1,685 rose and 1,370 fell.
The S&P 500+0.99%closed at 133.85
How big a move#6,144of 24,799 trading days since 1928
$100 in the index since$5,756price only, to September 24, 2026
Stocks that rose1,685of 4,966; 1,370 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Hudson's Bay Oil & Gas Co (HBO) | +8.0% |
| Transco Energy (E) | +7.8% |
| Parker Drilling Co (PKDC) | +6.6% |
Biggest falls among the 500 largest companies
| Squibb Corp. (SQB) | -3.9% |
| MCI Communications (MCIC.) | -3.8% |
| Pittston Brinks (PZB) | -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.