Underfolio

Every trading day › 1981

The stock market on April 28, 1981

April 28, 1981, a Tuesday. The S&P 500 fell 0.85% to close at 134.33. Of 4,809 US stocks that traded, 890 rose and 2,370 fell.

The S&P 500-0.85%closed at 134.33
How big a move#7,471of 24,799 trading days since 1928
$100 in the index since$5,735price only, to September 24, 2026
Stocks that rose890of 4,809; 2,370 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Coastal+13.2%
Newmont Mining (NEM)+9.4%
Ashland (ASH)+5.6%

Biggest falls among the 500 largest companies

Paradyne Corp (PDN)-8.3%
Computervision Corp -old (CVN)-7.1%
Ford Motor (F)-6.9%

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

‹ April 27, 1981 · Every April 28 · April 29, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.