The stock market on October 11, 1985
October 11, 1985, a Friday. The S&P 500 rose 0.82% to close at 184.28. Of 5,716 US stocks that traded, 2,082 rose and 1,306 fell.
The S&P 500+0.82%closed at 184.28
How big a move#7,791of 24,799 trading days since 1928
$100 in the index since$4,181price only, to September 24, 2026
Stocks that rose2,082of 5,716; 1,306 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Torchmark Cp (TMK) | +9.4% |
| M/a-com (MAI) | +6.3% |
| Kidde Inc | +6.1% |
Biggest falls among the 500 largest companies
| Warner-Lambert (WLA) | -5.5% |
| Bausch & Lomb (BOL) | -3.1% |
| RiteAid (RAD) | -2.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 10, 1985 · Every October 11 · October 14, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.