Underfolio

Every trading day › 1991

The stock market on January 9, 1991

January 9, 1991, a Wednesday. The S&P 500 fell 1.08% to close at 311.49. Of 5,726 US stocks that traded, 1,395 rose and 1,986 fell.

The S&P 500-1.08%closed at 311.49
How big a move#5,367of 24,799 trading days since 1928
$100 in the index since$2,473price only, to September 24, 2026
Stocks that rose1,395of 5,726; 1,986 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Blockbuster Entertainment Corp. (BV)+9.1%
U.S. Bancorp (USB)+4.8%
Union Texas Petro Hldgs Inc (UTH.)+4.7%

Biggest falls among the 500 largest companies

McDonnell Douglas (MD)-10.4%
Allegheny Technologies (ATI)-7.3%
New York Times (NYT)-7.0%

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

‹ January 8, 1991 · Every January 9 · January 10, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.