The stock market on October 31, 1985
October 31, 1985, a Thursday. The S&P 500 fell 0.13% to close at 189.82. Of 5,732 US stocks that traded, 1,720 rose and 1,677 fell.
The S&P 500-0.13%closed at 189.82
How big a move#20,932of 24,799 trading days since 1928
$100 in the index since$4,059price only, to September 24, 2026
Stocks that rose1,720of 5,732; 1,677 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Marion Merrell Dow Inc (MKC) | +6.4% |
| M/a-com (MAI) | +5.0% |
| Northwest Airlines (NWA) | +4.6% |
Biggest falls among the 500 largest companies
| Bausch & Lomb (BOL) | -4.2% |
| Liz Claiborne (LIZ) | -4.0% |
| Avnet (AVT) | -3.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 30, 1985 · Every October 31 · November 1, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.