The stock market on October 1, 1985
October 1, 1985, a Tuesday. The S&P 500 rose 1.64% to close at 185.07. Of 5,710 US stocks that traded, 2,141 rose and 1,375 fell.
The S&P 500+1.64%closed at 185.07
How big a move#2,550of 24,799 trading days since 1928
$100 in the index since$4,163price only, to September 24, 2026
Stocks that rose2,141of 5,710; 1,375 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Midcon Corp (MCN) | +22.4% |
| U S Healthcare Inc (USHC) | +9.8% |
| Revco D.S. (RXR) | +8.6% |
Biggest falls among the 500 largest companies
| Transitional Hospitals Cp (THY) | -5.6% |
| First Chicago Corp (FNB.) | -2.9% |
| Norstar Bancorp Inc (NOR) | -2.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 30, 1985 · Every October 1 · October 2, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.