Underfolio

Every trading day › 1991

The stock market on September 26, 1991

September 26, 1991, a Thursday. The S&P 500 fell 0.10% to close at 386.49. Of 5,738 US stocks that traded, 1,907 rose and 1,681 fell.

The S&P 500-0.10%closed at 386.49
How big a move#21,807of 24,799 trading days since 1928
$100 in the index since$1,993price only, to September 24, 2026
Stocks that rose1,907of 5,738; 1,681 fell
Biggest companyExxon Mobilby market value that day

Biggest rises among the 500 largest companies

Tandem Computers Inc (TDM.)+6.2%
Chiron (CHIR)+6.0%
CR Bard (BCR)+5.6%

Biggest falls among the 500 largest companies

Union Carbide-5.6%
Ivaco Industries Inc (IVX)-4.9%
Gap, Inc. (The) (GPS)-4.5%

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

‹ September 25, 1991 · Every September 26 · September 27, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.