The stock market on December 20, 1990
December 20, 1990, a Thursday. The S&P 500 fell 0.02% to close at 330.12. Of 5,741 US stocks that traded, 1,683 rose and 1,762 fell.
The S&P 500-0.02%closed at 330.12
How big a move#23,977of 24,799 trading days since 1928
$100 in the index since$2,334price only, to September 24, 2026
Stocks that rose1,683of 5,741; 1,762 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Manufactures Hanover (MHC) | +7.2% |
| CMS Energy (CMS) | +6.9% |
| Santa Fe Pacific Corp. (SFX) | +5.8% |
Biggest falls among the 500 largest companies
| Laboratory Corp. of America (LH) | -10.8% |
| Santa Fe Snyder Corp (SFS) | -6.6% |
| Temple-Inland (TIN) | -4.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ December 19, 1990 · Every December 20 · December 21, 1990 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.