The stock market on October 28, 1985
October 28, 1985, a Monday. The S&P 500 rose 0.13% to close at 187.76. Of 5,733 US stocks that traded, 1,500 rose and 1,835 fell.
The S&P 500+0.13%closed at 187.76
How big a move#21,034of 24,799 trading days since 1928
$100 in the index since$4,103price only, to September 24, 2026
Stocks that rose1,500of 5,733; 1,835 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| American Medical Int'l (AMI) | +7.3% |
| Amerada Hess (AHC) | +5.3% |
| Chesebrough Ponds (CBM) | +5.0% |
Biggest falls among the 500 largest companies
| Texas Oil & Gas (TXO) | -5.3% |
| Wendy's International Inc (WEN) | -4.6% |
| Sara Lee (SLE) | -3.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 25, 1985 · Every October 28 · October 29, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.