The stock market on December 10, 1985
December 10, 1985, a Tuesday. The S&P 500 rose 0.07% to close at 204.39. Of 5,741 US stocks that traded, 1,771 rose and 1,843 fell.
The S&P 500+0.07%closed at 204.39
How big a move#22,808of 24,799 trading days since 1928
$100 in the index since$3,769price only, to September 24, 2026
Stocks that rose1,771of 5,741; 1,843 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| United Energy Resources | +9.2% |
| Midcon Corp (MCN) | +7.4% |
| RCA Corp (RCA) | +7.0% |
Biggest falls among the 500 largest companies
| Eex Corp (EEX) | -9.0% |
| Unocal Exploration Corp (UXC) | -7.6% |
| ConocoPhillips (P) | -7.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ December 9, 1985 · Every December 10 · December 11, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.