The stock market on October 1, 1987
October 1, 1987, a Thursday. The S&P 500 rose 1.71% to close at 327.33. Of 6,388 US stocks that traded, 2,249 rose and 1,808 fell.
The S&P 500+1.71%closed at 327.33
How big a move#2,337of 24,799 trading days since 1928
$100 in the index since$2,354price only, to September 24, 2026
Stocks that rose2,249of 6,388; 1,808 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| National Semiconductor (NSM) | +10.2% |
| Advanced Micro Devices (AMD) | +9.1% |
| Union Carbide | +8.0% |
Biggest falls among the 500 largest companies
| Warner Communications (WCI) | -3.9% |
| Rockwell Automation (ROK) | -3.0% |
| Mca Inc. (MCA) | -2.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 30, 1987 · Every October 1 · October 2, 1987 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.