The stock market on September 12, 1989
September 12, 1989, a Tuesday. The S&P 500 rose 0.30% to close at 348.70. Of 5,902 US stocks that traded, 1,913 rose and 1,598 fell.
The S&P 500+0.30%closed at 348.70
How big a move#16,554of 24,799 trading days since 1928
$100 in the index since$2,209price only, to September 24, 2026
Stocks that rose1,913of 5,902; 1,598 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for8stocks
Biggest rises among the 500 largest companies
| Eex Corp (EEX) | +4.9% |
| Unocal Corporation (UCL) | +4.8% |
| Ethyl (NEU) | +4.3% |
Biggest falls among the 500 largest companies
| Union Texas Petro Hldgs Inc (UTH.) | -4.0% |
| Tambrands Inc (TMB) | -3.2% |
| Unisys (UIS) | -2.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 11, 1989 · Every September 12 · September 13, 1989 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.