The stock market on September 17, 1987
September 17, 1987, a Thursday. The S&P 500 rose 0.02% to close at 314.93. Of 6,360 US stocks that traded, 1,803 rose and 2,133 fell.
The S&P 500+0.02%closed at 314.93
How big a move#24,027of 24,799 trading days since 1928
$100 in the index since$2,446price only, to September 24, 2026
Stocks that rose1,803of 6,360; 2,133 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Cabot Corporation (CBT) | +10.6% |
| Intergraph Corp (INGR.) | +6.2% |
| Ceridian Corp (CEN) | +5.9% |
Biggest falls among the 500 largest companies
| Home Shopping Network | -5.8% |
| Charming Shoppes Inc (CHRS) | -5.4% |
| Rohm & Haas (ROH) | -4.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 16, 1987 · Every September 17 · September 18, 1987 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.