The stock market on July 31, 1981
July 31, 1981, a Friday. The S&P 500 rose 0.70% to close at 130.92. Of 4,963 US stocks that traded, 1,946 rose and 989 fell.
The S&P 500+0.70%closed at 130.92
How big a move#9,283of 24,799 trading days since 1928
$100 in the index since$5,885price only, to September 24, 2026
Stocks that rose1,946of 4,963; 989 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Fluor (FLR) | +10.2% |
| St Joe Minerals (SJO) | +9.5% |
| Adobe Oil & Gas Corp (AOI) | +9.4% |
Biggest falls among the 500 largest companies
| National Semiconductor (NSM) | -8.0% |
| Kirby Corporation (KEX) | -5.6% |
| Spx Corp. (SPW) | -4.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ July 30, 1981 · Every July 31 · August 3, 1981 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.