Underfolio

Every trading day › 1981

The stock market on April 15, 1981

April 15, 1981, a Wednesday. The S&P 500 rose 1.12% to close at 134.17. Of 4,782 US stocks that traded, 2,001 rose and 1,068 fell.

The S&P 500+1.12%closed at 134.17
How big a move#5,041of 24,799 trading days since 1928
$100 in the index since$5,742price only, to September 24, 2026
Stocks that rose2,001of 4,782; 1,068 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Crystal Gas Storage Inc (COR)+13.8%
American Homes 4 Rent (AMH)+9.1%
Parker Drilling Co (PKDC)+8.8%

Biggest falls among the 500 largest companies

Apple (AAPL)-4.9%
Phoenix Resource Cos (PHN)-4.9%
Txu Gas Co-4.3%

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

‹ April 14, 1981 · Every April 15 · April 16, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.