The stock market on January 8, 1985
January 8, 1985, a Tuesday. The S&P 500 fell 0.15% to close at 163.99. Of 5,750 US stocks that traded, 1,641 rose and 1,462 fell.
The S&P 500-0.15%closed at 163.99
How big a move#20,423of 24,799 trading days since 1928
$100 in the index since$4,698price only, to September 24, 2026
Stocks that rose1,641of 5,750; 1,462 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Txu Gas Co | +7.2% |
| Occidental Petroleum (OXY) | +6.4% |
| New York Times (NYT) | +5.7% |
Biggest falls among the 500 largest companies
| Maxus Energy (MXS) | -9.4% |
| Northrop Grumman (NOC) | -6.4% |
| Advanced Micro Devices (AMD) | -6.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
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Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.