The stock market on August 17, 1987
August 17, 1987, a Monday. The S&P 500 rose 0.04% to close at 334.11. Of 6,320 US stocks that traded, 1,871 rose and 2,142 fell.
The S&P 500+0.04%closed at 334.11
How big a move#23,689of 24,799 trading days since 1928
$100 in the index since$2,306price only, to September 24, 2026
Stocks that rose1,871of 6,320; 2,142 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| North American Philips | +26.5% |
| Gillette (G) | +7.5% |
| Bear Stearns (BSC) | +6.1% |
Biggest falls among the 500 largest companies
| Torchmark Cp (TMK) | -6.3% |
| Humana (HUM) | -4.5% |
| Maxus Energy (MXS) | -4.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 14, 1987 · Every August 17 · August 18, 1987 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.