The stock market on March 12, 1981
March 12, 1981, a Thursday. The S&P 500 rose 2.49% to close at 133.19. Of 4,734 US stocks that traded, 2,233 rose and 758 fell.
The S&P 500+2.49%closed at 133.19
How big a move#1,035of 24,799 trading days since 1928
$100 in the index since$5,784price only, to September 24, 2026
Stocks that rose2,233of 4,734; 758 fell
Biggest companyAT&T Corporationby market value that day
Biggest rises among the 500 largest companies
| ConocoPhillips (P) | +12.8% |
| Storage Technology (STK) | +10.0% |
| Sedco (SED) | +9.5% |
Biggest falls among the 500 largest companies
| Masonite Corp (MNC) | -4.4% |
| Ashland (ASH) | -4.2% |
| Energy Reserves Group (ERGS) | -3.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ March 11, 1981 · Every March 12 · March 13, 1981 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.