The stock market on October 30, 1986
October 30, 1986, a Thursday. The S&P 500 rose 1.15% to close at 243.71. Of 5,996 US stocks that traded, 2,336 rose and 1,470 fell.
The S&P 500+1.15%closed at 243.71
How big a move#4,855of 24,799 trading days since 1928
$100 in the index since$3,161price only, to September 24, 2026
Stocks that rose2,336of 5,996; 1,470 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Borden Chemical | +10.1% |
| Morgan Stanley (MWD) | +8.7% |
| Unocal Corporation (UCL) | +6.3% |
Biggest falls among the 500 largest companies
| Psi Resources Inc | -4.1% |
| Wendy's International Inc (WEN) | -4.0% |
| Aflac (AFL) | -3.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 29, 1986 · Every October 30 · October 31, 1986 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.