The stock market on December 17, 1984
December 17, 1984, a Monday. The S&P 500 rose 0.57% to close at 163.61. Of 5,760 US stocks that traded, 1,571 rose and 1,602 fell.
The S&P 500+0.57%closed at 163.61
How big a move#11,322of 24,799 trading days since 1928
$100 in the index since$4,709price only, to September 24, 2026
Stocks that rose1,571of 5,760; 1,602 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Pioneer Corp-Texas (PNA) | +7.1% |
| Knight Ridder (KRI) | +5.1% |
| M/a-com (MAI) | +4.9% |
Biggest falls among the 500 largest companies
| Homestake Mining (HM) | -6.2% |
| Union Carbide | -6.2% |
| American Medical Int'l (AMI) | -5.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ December 14, 1984 · Every December 17 · December 18, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.