The stock market on August 20, 1985
August 20, 1985, a Tuesday. The S&P 500 rose 0.91% to close at 188.08. Of 5,713 US stocks that traded, 1,875 rose and 1,475 fell.
The S&P 500+0.91%closed at 188.08
How big a move#6,819of 24,799 trading days since 1928
$100 in the index since$4,096price only, to September 24, 2026
Stocks that rose1,875of 5,713; 1,475 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Williams (WMB) | +9.4% |
| Furniture Brands Intl Inc (FBNIQ) | +8.9% |
| Entergy (ETR) | +8.1% |
Biggest falls among the 500 largest companies
| Sears Holdings (SHLDQ) | -3.3% |
| Ich Corp (ICHP) | -2.9% |
| Illinois Tool Works (ITW) | -2.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 19, 1985 · Every August 20 · August 21, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.