The stock market on December 12, 1984
December 12, 1984, a Wednesday. The S&P 500 fell 0.27% to close at 162.63. Of 5,751 US stocks that traded, 1,465 rose and 1,613 fell.
The S&P 500-0.27%closed at 162.63
How big a move#17,219of 24,799 trading days since 1928
$100 in the index since$4,737price only, to September 24, 2026
Stocks that rose1,465of 5,751; 1,613 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Southwest Airlines (LUV) | +8.5% |
| Xerox (XRX) | +3.7% |
| US Airways Group (U) | +3.5% |
Biggest falls among the 500 largest companies
| Noram Energy Corp | -6.0% |
| FMC Corporation (FMC) | -5.4% |
| Intergraph Corp (INGR.) | -4.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ December 11, 1984 · Every December 12 · December 13, 1984 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.