Underfolio

Every trading day › 1981

The stock market on March 31, 1981

March 31, 1981, a Tuesday. The S&P 500 rose 1.28% to close at 136.00. Of 4,758 US stocks that traded, 2,089 rose and 977 fell.

The S&P 500+1.28%closed at 136.00
How big a move#4,110of 24,799 trading days since 1928
$100 in the index since$5,665price only, to September 24, 2026
Stocks that rose2,089of 4,758; 977 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for4stocks

Biggest rises among the 500 largest companies

Crystal Gas Storage Inc (COR)+12.3%
Sedco (SED)+7.0%
Cities Service Co+6.7%

Biggest falls among the 500 largest companies

Gannett (GCI)-5.7%
Tele-Comm Tci Group -ser A (TCOMA)-5.2%
Continental Corp. (CIC)-4.0%

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

‹ March 30, 1981 · Every March 31 · April 1, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.