The stock market on February 27, 1980
February 27, 1980, a Wednesday. The S&P 500 fell 1.40% to close at 112.38. Of 4,520 US stocks that traded, 894 rose and 1,697 fell.
The S&P 500-1.40%closed at 112.38
How big a move#3,490of 24,799 trading days since 1928
$100 in the index since$6,855price only, to September 24, 2026
Stocks that rose894of 4,520; 1,697 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Owens-Illinois (OI) | +8.8% |
| Supron Energy Corp (SUE) | +6.7% |
| Placer Dome Inc (PDG) | +5.7% |
Biggest falls among the 500 largest companies
| Lockheed Martin (LMT) | -13.6% |
| American Cyanamid (ACY) | -8.2% |
| 7-Eleven Inc (SE) | -7.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ February 26, 1980 · Every February 27 · February 28, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.