The stock market on August 13, 1985
August 13, 1985, a Tuesday. The S&P 500 fell 0.18% to close at 187.30. Of 5,714 US stocks that traded, 1,501 rose and 1,857 fell.
The S&P 500-0.18%closed at 187.30
How big a move#19,703of 24,799 trading days since 1928
$100 in the index since$4,113price only, to September 24, 2026
Stocks that rose1,501of 5,714; 1,857 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Union Carbide | +6.7% |
| Revlon Inc -old | +3.9% |
| M G M U A Entertainment (MGM) | +3.6% |
Biggest falls among the 500 largest companies
| Entergy (ETR) | -9.3% |
| Ceridian Corp (CEN) | -8.5% |
| Intergraph Corp (INGR.) | -7.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 12, 1985 · Every August 13 · August 14, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.