The stock market on September 18, 1985
September 18, 1985, a Wednesday. The S&P 500 rose 0.19% to close at 181.71. Of 5,711 US stocks that traded, 1,417 rose and 2,156 fell.
The S&P 500+0.19%closed at 181.71
How big a move#19,243of 24,799 trading days since 1928
$100 in the index since$4,240price only, to September 24, 2026
Stocks that rose1,417of 5,711; 2,156 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for7stocks
Biggest rises among the 500 largest companies
| Entergy Gulf States La LLC | +7.2% |
| Apple (AAPL) | +6.6% |
| Ceridian Corp (CEN) | +6.4% |
Biggest falls among the 500 largest companies
| Ethyl (NEU) | -7.5% |
| V.F. Corporation (VFC) | -4.6% |
| Newmont Mining (NEM) | -4.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 17, 1985 · Every September 18 · September 19, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.