The stock market on August 15, 1985
August 15, 1985, a Thursday. The S&P 500 fell 0.08% to close at 187.26. Of 5,720 US stocks that traded, 1,716 rose and 1,661 fell.
The S&P 500-0.08%closed at 187.26
How big a move#22,472of 24,799 trading days since 1928
$100 in the index since$4,114price only, to September 24, 2026
Stocks that rose1,716of 5,720; 1,661 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Mesa Inc (MXP.) | +8.0% |
| Electronic Data Systems (EDS.) | +4.8% |
| Viad Corp (VVI) | +4.7% |
Biggest falls among the 500 largest companies
| Ceridian Corp (CEN) | -5.9% |
| Tambrands Inc (TMB) | -4.4% |
| Dillard's (DDS) | -4.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 14, 1985 · Every August 15 · August 16, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.