The stock market on January 17, 1985
January 17, 1985, a Thursday. The S&P 500 fell 0.27% to close at 170.73. Of 5,745 US stocks that traded, 1,888 rose and 1,437 fell.
The S&P 500-0.27%closed at 170.73
How big a move#17,241of 24,799 trading days since 1928
$100 in the index since$4,512price only, to September 24, 2026
Stocks that rose1,888of 5,745; 1,437 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Campbell Red Lake Mines (CRK) | +5.8% |
| Fluor (FLR) | +5.7% |
| Ocean Drilling & Exploration (ODR) | +4.3% |
Biggest falls among the 500 largest companies
| Apple (AAPL) | -7.0% |
| Avnet (AVT) | -6.1% |
| American Airlines Group (AMR) | -5.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ January 16, 1985 · Every January 17 · January 18, 1985 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.