The stock market on August 21, 1985
August 21, 1985, a Wednesday. The S&P 500 rose 0.57% to close at 189.16. Of 5,713 US stocks that traded, 1,985 rose and 1,424 fell.
The S&P 500+0.57%closed at 189.16
How big a move#11,153of 24,799 trading days since 1928
$100 in the index since$4,073price only, to September 24, 2026
Stocks that rose1,985of 5,713; 1,424 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Pan Am Corp | +8.1% |
| Hutton (E.F.) Group (EFH) | +5.8% |
| Entergy (ETR) | +5.0% |
Biggest falls among the 500 largest companies
| Firestone (FIR) | -3.8% |
| Washington Post (WPO) | -3.4% |
| Hca Hosp Cp Of Amer -cl A (HCA) | -3.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 20, 1985 · Every August 21 · August 22, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.