Underfolio

Every trading day › 1991

The stock market on April 10, 1991

April 10, 1991, a Wednesday. The S&P 500 fell 0.11% to close at 373.15. Of 5,685 US stocks that traded, 1,683 rose and 1,867 fell.

The S&P 500-0.11%closed at 373.15
How big a move#21,568of 24,799 trading days since 1928
$100 in the index since$2,065price only, to September 24, 2026
Stocks that rose1,683of 5,685; 1,867 fell
Biggest companyExxon Mobilby market value that day
Last day of trading for4stocks

Biggest rises among the 500 largest companies

Motorola Solutions (MOT)+12.0%
Caliber System (CBB)+6.2%
General Dynamics (GD)+4.8%

Biggest falls among the 500 largest companies

Laboratory Corp. of America (LH)-9.5%
Bank of New York Co. (BK)-5.5%
Chiron (CHIR)-5.0%

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

‹ April 9, 1991 · Every April 10 · April 11, 1991 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.