The stock market on September 13, 1985
September 13, 1985, a Friday. The S&P 500 fell 0.42% to close at 182.91. Of 5,708 US stocks that traded, 1,041 rose and 2,426 fell.
The S&P 500-0.42%closed at 182.91
How big a move#13,845of 24,799 trading days since 1928
$100 in the index since$4,212price only, to September 24, 2026
Stocks that rose1,041of 5,708; 2,426 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Shared Medical Systems (SMS) | +7.7% |
| Richardson-Vicks Inc (RVI) | +6.0% |
| Entergy (ETR) | +5.7% |
Biggest falls among the 500 largest companies
| Ceridian Corp (CEN) | -10.9% |
| Tektronix (TEK) | -8.6% |
| Noram Energy Corp | -6.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 12, 1985 · Every September 13 · September 16, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.