Underfolio

Every trading day › 1981

The stock market on April 16, 1981

April 16, 1981, a Thursday. The S&P 500 rose 0.40% to close at 134.70. Of 4,789 US stocks that traded, 1,985 rose and 1,100 fell.

The S&P 500+0.40%closed at 134.70
How big a move#14,483of 24,799 trading days since 1928
$100 in the index since$5,719price only, to September 24, 2026
Stocks that rose1,985of 4,789; 1,100 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Shearson Loeb Rhoades (SHE)+10.5%
Gearhart Industries Inc (GOI)+6.0%
Crystal Gas Storage Inc (COR)+5.9%

Biggest falls among the 500 largest companies

Square "d" (SQD)-6.5%
Apple (AAPL)-5.7%
Polaroid (PRDCQ)-3.8%

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

‹ April 15, 1981 · Every April 16 · April 20, 1981 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.