The stock market on January 9, 1985
January 9, 1985, a Wednesday. The S&P 500 rose 0.73% to close at 165.18. Of 5,748 US stocks that traded, 1,994 rose and 1,151 fell.
The S&P 500+0.73%closed at 165.18
How big a move#8,939of 24,799 trading days since 1928
$100 in the index since$4,664price only, to September 24, 2026
Stocks that rose1,994of 5,748; 1,151 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Advanced Micro Devices (AMD) | +5.6% |
| American Stores (ASC) | +5.2% |
| H.F. Ahmanson (AHM) | +5.1% |
Biggest falls among the 500 largest companies
| Northwest Industries (NWT) | -7.5% |
| Temple-Inland (TIN) | -6.8% |
| Great Northern Nekoosa (GNN) | -4.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ January 8, 1985 · Every January 9 · January 10, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.