The stock market on October 9, 1985
October 9, 1985, a Wednesday. The S&P 500 rose 0.36% to close at 182.52. Of 5,711 US stocks that traded, 1,784 rose and 1,502 fell.
The S&P 500+0.36%closed at 182.52
How big a move#15,241of 24,799 trading days since 1928
$100 in the index since$4,221price only, to September 24, 2026
Stocks that rose1,784of 5,711; 1,502 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Hasbro (HAS) | +9.5% |
| Intergraph Corp (INGR.) | +9.2% |
| Big Three Industries | +8.9% |
Biggest falls among the 500 largest companies
| Viad Corp (VVI) | -7.8% |
| Amax Inc. (AMX) | -5.8% |
| Rhone-Poulenc Rorer (RPR) | -3.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 8, 1985 · Every October 9 · October 10, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.