The stock market on September 21, 1987
September 21, 1987, a Monday. The S&P 500 fell 1.37% to close at 310.54. Of 6,371 US stocks that traded, 1,378 rose and 2,650 fell.
The S&P 500-1.37%closed at 310.54
How big a move#3,663of 24,799 trading days since 1928
$100 in the index since$2,481price only, to September 24, 2026
Stocks that rose1,378of 6,371; 2,650 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Covanta Energy Corp (CVGYQ) | +4.2% |
| Bicoastal Corp | +3.4% |
| North American Philips | +3.0% |
Biggest falls among the 500 largest companies
| Gap, Inc. (The) (GPS) | -21.7% |
| Marion Merrell Dow Inc (MKC) | -10.8% |
| Liz Claiborne (LIZ) | -9.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 18, 1987 · Every September 21 · September 22, 1987 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.