The stock market on October 31, 1986
October 31, 1986, a Friday. The S&P 500 rose 0.11% to close at 243.98. Of 5,999 US stocks that traded, 1,963 rose and 1,770 fell.
The S&P 500+0.11%closed at 243.98
How big a move#21,543of 24,799 trading days since 1928
$100 in the index since$3,158price only, to September 24, 2026
Stocks that rose1,963of 5,999; 1,770 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Winn-Dixie Stores (WIN) | +10.5% |
| Coastal | +8.6% |
| Vulcan Materials (VMC) | +7.9% |
Biggest falls among the 500 largest companies
| Borden Chemical | -6.3% |
| Chubb (CB) | -5.5% |
| Wendy's International Inc (WEN) | -5.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 30, 1986 · Every October 31 · November 3, 1986 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.