The stock market on September 12, 1988
September 12, 1988, a Monday. The S&P 500 fell 0.14% to close at 266.47. Of 6,161 US stocks that traded, 1,648 rose and 1,909 fell.
The S&P 500-0.14%closed at 266.47
How big a move#20,733of 24,799 trading days since 1928
$100 in the index since$2,891price only, to September 24, 2026
Stocks that rose1,648of 6,161; 1,909 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Honeywell International (HON) | +6.4% |
| Baxter International (BAX) | +5.5% |
| Sprint Nextel (FON) | +5.2% |
Biggest falls among the 500 largest companies
| Monsanto (MTC) | -8.3% |
| U.S. Bancorp (USB) | -4.7% |
| Dow Jones (DJ) | -4.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 9, 1988 · Every September 12 · September 13, 1988 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.