The stock market on September 11, 1987
September 11, 1987, a Friday. The S&P 500 rose 1.53% to close at 321.98. Of 6,353 US stocks that traded, 2,591 rose and 1,428 fell.
The S&P 500+1.53%closed at 321.98
How big a move#2,967of 24,799 trading days since 1928
$100 in the index since$2,393price only, to September 24, 2026
Stocks that rose2,591of 6,353; 1,428 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Newmont Gold Co (NGC) | +15.8% |
| Eli Lilly (LLY) | +10.6% |
| Genuine Parts (GPC) | +8.3% |
Biggest falls among the 500 largest companies
| Seagate Technology (SEG) | -12.9% |
| Delhaize America Inc | -3.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 10, 1987 · Every September 11 · September 14, 1987 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.