The stock market on August 17, 1981
August 17, 1981, a Monday. The S&P 500 fell 0.96% to close at 131.22. Of 4,970 US stocks that traded, 745 rose and 2,400 fell.
The S&P 500-0.96%closed at 131.22
How big a move#6,396of 24,799 trading days since 1928
$100 in the index since$5,871price only, to September 24, 2026
Stocks that rose745of 4,970; 2,400 fell
Biggest companyAT&T Corporationby market value that day
Biggest rises among the 500 largest companies
| Masonite Corp (MNC) | +6.3% |
| Mallinckrodt (MKG) | +3.6% |
| Pittston Brinks (PZB) | +3.4% |
Biggest falls among the 500 largest companies
| M/a-com (MAI) | -8.1% |
| Tandem Computers Inc (TDM.) | -7.7% |
| Scientific-Atlanta (SFA) | -6.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 14, 1981 · Every August 17 · August 18, 1981 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.