Underfolio

Every trading day › 1991

The stock market on January 4, 1991

January 4, 1991, a Friday. The S&P 500 fell 0.28% to close at 321.00. Of 5,731 US stocks that traded, 1,582 rose and 1,781 fell.

The S&P 500-0.28%closed at 321.00
How big a move#16,939of 24,799 trading days since 1928
$100 in the index since$2,400price only, to September 24, 2026
Stocks that rose1,582of 5,731; 1,781 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Reebok International (RBK)+6.6%
FleetBoston Financial (FBF)+6.1%
Allegheny Technologies (ATI)+4.8%

Biggest falls among the 500 largest companies

Tenneco (TEN)-7.8%
Laboratory Corp. of America (LH)-7.2%
EOG Resources, Inc. (EOG)-6.3%

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

‹ January 3, 1991 · Every January 4 · January 7, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.