Underfolio

Every trading day › 1981

The stock market on April 1, 1981

April 1, 1981, a Wednesday. The S&P 500 rose 0.42% to close at 136.57. Of 4,761 US stocks that traded, 1,800 rose and 1,223 fell.

The S&P 500+0.42%closed at 136.57
How big a move#13,958of 24,799 trading days since 1928
$100 in the index since$5,641price only, to September 24, 2026
Stocks that rose1,800of 4,761; 1,223 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Primerica, Inc. (PRI)+12.5%
Hudson's Bay Oil & Gas Co (HBO)+8.1%
Husky Oil Ltd (HYO)+8.0%

Biggest falls among the 500 largest companies

Salomon-11.1%
Fluor (FLR)-8.9%
Hca Hosp Cp Of Amer -cl A (HCA)-5.4%

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

‹ March 31, 1981 · Every April 1 · April 2, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.