Underfolio

Every trading day › 1979

The stock market on April 23, 1979

April 23, 1979, a Monday. The S&P 500 rose 0.34% to close at 101.57. Of 4,526 US stocks that traded, 1,289 rose and 1,074 fell.

The S&P 500+0.34%closed at 101.57
How big a move#15,701of 24,799 trading days since 1928
$100 in the index since$7,585price only, to September 24, 2026
Stocks that rose1,289of 4,526; 1,074 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Pogo Producing Co (PPP)+8.5%
Freeport-McMoran (FTX)+7.4%
Coastal+6.6%

Biggest falls among the 500 largest companies

Caesars New Jersey Inc (CJN)-9.3%
Caesars World (CAW)-8.5%
First Chicago Corp (FNB.)-5.4%

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

‹ April 20, 1979 · Every April 23 · April 24, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.