The stock market on May 10, 1985
May 10, 1985, a Friday. The S&P 500 rose 1.30% to close at 184.28. Of 5,723 US stocks that traded, 2,645 rose and 975 fell.
The S&P 500+1.30%closed at 184.28
How big a move#4,030of 24,799 trading days since 1928
$100 in the index since$4,181price only, to September 24, 2026
Stocks that rose2,645of 5,723; 975 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| DSC Communications (DIGI) | +10.9% |
| Intel (INTC) | +9.7% |
| Cullinet Software (CUL) | +7.9% |
Biggest falls among the 500 largest companies
| Eckerd (ECK) | -12.0% |
| American Medical Int'l (AMI) | -3.8% |
| Warner Communications (WCI) | -3.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 9, 1985 · Every May 10 · May 13, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.