Underfolio

Every trading day › 1990

The stock market on December 31, 1990

December 31, 1990, a Monday. The S&P 500 rose 0.46% to close at 330.22. Of 5,736 US stocks that traded, 2,204 rose and 1,386 fell.

The S&P 500+0.46%closed at 330.22
How big a move#13,264of 24,799 trading days since 1928
$100 in the index since$2,333price only, to September 24, 2026
Stocks that rose2,204of 5,736; 1,386 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Santa Fe Snyder Corp (SFS)+7.8%
MCI Communications (MCIC.)+6.0%
Great Western Financial (GWF.)+5.4%

Biggest falls among the 500 largest companies

Mellon Financial (MEL)-4.0%
Manufactures Hanover (MHC)-3.4%
Nordstrom (JWN)-3.3%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ December 28, 1990 · Every December 31 · January 2, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.