The stock market on April 23, 1985
April 23, 1985, a Tuesday. The S&P 500 rose 0.65% to close at 181.88. Of 5,716 US stocks that traded, 1,827 rose and 1,539 fell.
The S&P 500+0.65%closed at 181.88
How big a move#9,934of 24,799 trading days since 1928
$100 in the index since$4,236price only, to September 24, 2026
Stocks that rose1,827of 5,716; 1,539 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Mgm/Ua Home Entertainment Gp (HEG) | +10.4% |
| Marion Merrell Dow Inc (MKC) | +6.8% |
| Chubb (CB) | +6.6% |
Biggest falls among the 500 largest companies
| Data General Corp (DGN.) | -5.1% |
| Tandem Computers Inc (TDM.) | -3.8% |
| Ltv Corp (LTVCQ) | -3.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ April 22, 1985 · Every April 23 · April 24, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.