The stock market on August 21, 1981
August 21, 1981, a Friday. The S&P 500 fell 1.12% to close at 129.23. Of 4,974 US stocks that traded, 906 rose and 2,016 fell.
The S&P 500-1.12%closed at 129.23
How big a move#5,101of 24,799 trading days since 1928
$100 in the index since$5,962price only, to September 24, 2026
Stocks that rose906of 4,974; 2,016 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Coastal | +5.7% |
| Maxus Energy (MXS) | +5.3% |
| Pioneer Corp-Texas (PNA) | +3.5% |
Biggest falls among the 500 largest companies
| Interfirst Corp (IFC) | -7.4% |
| Wang Labs Inc (WANG) | -6.9% |
| Apple (AAPL) | -6.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 20, 1981 · Every August 21 · August 24, 1981 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.