The stock market on July 31, 1987
July 31, 1987, a Friday. The S&P 500 rose 0.19% to close at 318.66. Of 6,296 US stocks that traded, 2,096 rose and 1,855 fell.
The S&P 500+0.19%closed at 318.66
How big a move#19,272of 24,799 trading days since 1928
$100 in the index since$2,418price only, to September 24, 2026
Stocks that rose2,096of 6,296; 1,855 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| W.R. Grace & Co. (GRA) | +7.5% |
| American Financial Group, Inc. (AFG) | +6.3% |
| Union Camp (UCC) | +5.6% |
Biggest falls among the 500 largest companies
| Navistar International (NAV) | -4.8% |
| Affiliated Pubns (AFP) | -4.5% |
| Mead (MEA) | -4.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ July 30, 1987 · Every July 31 · August 3, 1987 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.