The stock market on December 12, 1980
December 12, 1980, a Friday. The S&P 500 rose 1.47% to close at 129.23. Of 4,675 US stocks that traded, 2,091 rose and 959 fell.
The S&P 500+1.47%closed at 129.23
How big a move#3,212of 24,799 trading days since 1928
$100 in the index since$5,962price only, to September 24, 2026
Stocks that rose2,091of 4,675; 959 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Amerac Energy Corp (AMC) | +9.8% |
| Northwest Energy (NWP.) | +9.0% |
| Computervision Corp -old (CVN) | +8.5% |
Biggest falls among the 500 largest companies
| CNA Financial Corporation (CNA) | -3.9% |
| Burlington Industries Equity | -3.5% |
| Unicom (UCM) | -3.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ December 11, 1980 · Every December 12 · December 15, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.