The stock market on October 17, 1985
October 17, 1985, a Thursday. The S&P 500 fell 0.17% to close at 187.66. Of 5,722 US stocks that traded, 1,912 rose and 1,517 fell.
The S&P 500-0.17%closed at 187.66
How big a move#19,873of 24,799 trading days since 1928
$100 in the index since$4,105price only, to September 24, 2026
Stocks that rose1,912of 5,722; 1,517 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Litton Industries (LIT) | +9.3% |
| Viad Corp (VVI) | +8.0% |
| Walgreens Boots Alliance (WAG) | +6.7% |
Biggest falls among the 500 largest companies
| BankAmerica Corp. | -4.3% |
| Nicor Gas (GAS) | -4.3% |
| Anheuser-Busch (BUD) | -4.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 16, 1985 · Every October 17 · October 18, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.