The stock market on August 11, 1980
August 11, 1980, a Monday. The S&P 500 rose 0.95% to close at 124.78. Of 4,567 US stocks that traded, 1,808 rose and 1,123 fell.
The S&P 500+0.95%closed at 124.78
How big a move#6,518of 24,799 trading days since 1928
$100 in the index since$6,174price only, to September 24, 2026
Stocks that rose1,808of 4,567; 1,123 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Mesa Inc (MXP.) | +11.1% |
| Coastal | +9.8% |
| Intel (INTC) | +6.3% |
Biggest falls among the 500 largest companies
| Campbell Red Lake Mines (CRK) | -5.9% |
| Dome Mines (DM) | -5.0% |
| Santa Fe Pacific Corp (SFX) | -4.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 8, 1980 · Every August 11 · August 12, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.