The stock market on June 20, 1985
June 20, 1985, a Thursday. The S&P 500 rose 0.05% to close at 186.73. Of 5,700 US stocks that traded, 1,443 rose and 1,862 fell.
The S&P 500+0.05%closed at 186.73
How big a move#23,251of 24,799 trading days since 1928
$100 in the index since$4,126price only, to September 24, 2026
Stocks that rose1,443of 5,700; 1,862 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Rhone-Poulenc Rorer (RPR) | +6.7% |
| Ceridian Corp (CEN) | +4.6% |
| Mesa Inc (MXP.) | +4.0% |
Biggest falls among the 500 largest companies
| Marion Merrell Dow Inc (MKC) | -4.9% |
| Fannie Mae (FNMA) | -4.3% |
| Intergraph Corp (INGR.) | -4.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ June 19, 1985 · Every June 20 · June 21, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.