The stock market on December 31, 1980
December 31, 1980, a Wednesday. The S&P 500 rose 0.32% to close at 135.76. Of 4,700 US stocks that traded, 2,046 rose and 1,010 fell.
The S&P 500+0.32%closed at 135.76
How big a move#16,148of 24,799 trading days since 1928
$100 in the index since$5,675price only, to September 24, 2026
Stocks that rose2,046of 4,700; 1,010 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for5stocks
Biggest rises among the 500 largest companies
| Cray Research (CYR) | +10.2% |
| PPG Industries (PPG) | +9.4% |
| Centex (CTX) | +7.6% |
Biggest falls among the 500 largest companies
| Central & South West (CSR) | -4.6% |
| Unocal Corporation (UCL) | -3.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ December 30, 1980 · Every December 31 · January 2, 1981 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.