The stock market on January 23, 1985
January 23, 1985, a Wednesday. The S&P 500 rose 1.04% to close at 177.30. Of 5,749 US stocks that traded, 2,246 rose and 1,140 fell.
The S&P 500+1.04%closed at 177.30
How big a move#5,725of 24,799 trading days since 1928
$100 in the index since$4,345price only, to September 24, 2026
Stocks that rose2,246of 5,749; 1,140 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Fluor (FLR) | +8.6% |
| Cullinet Software (CUL) | +8.5% |
| Masco (MAS) | +7.5% |
Biggest falls among the 500 largest companies
| Campbell Red Lake Mines (CRK) | -5.5% |
| KeySpan (KSE) | -4.8% |
| Hewlett-Packard (HWP) | -3.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ January 22, 1985 · Every January 23 · January 24, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.