Underfolio

Every trading day › 1981

The stock market on March 27, 1981

March 27, 1981, a Friday. The S&P 500 fell 1.19% to close at 134.65. Of 4,756 US stocks that traded, 1,055 rose and 1,909 fell.

The S&P 500-1.19%closed at 134.65
How big a move#4,612of 24,799 trading days since 1928
$100 in the index since$5,722price only, to September 24, 2026
Stocks that rose1,055of 4,756; 1,909 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Gulf United Corp (GHC)+8.2%
Cabot Corporation (CBT)+5.4%
Phelps Dodge (PD)+5.1%

Biggest falls among the 500 largest companies

Twentieth Century-Fox Film-10.9%
Cattlesale Co (CTLE.)-6.1%
Coastal-5.8%

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

‹ March 26, 1981 · Every March 27 · March 30, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.