Underfolio

Every trading day › 1979

The stock market on January 31, 1979

January 31, 1979, a Wednesday. The S&P 500 fell 1.11% to close at 99.93. Of 4,533 US stocks that traded, 763 rose and 1,825 fell.

The S&P 500-1.11%closed at 99.93
How big a move#5,168of 24,799 trading days since 1928
$100 in the index since$7,710price only, to September 24, 2026
Stocks that rose763of 4,533; 1,825 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks

Biggest rises among the 500 largest companies

Asarco Inc (AR)+9.7%
General American Oil Co Tx (GAO)+5.8%
Carrier (CRR)+5.4%

Biggest falls among the 500 largest companies

S&P Global (MHP)-12.2%
Hilton Worldwide Holdings (HLT)-7.0%
Sundstrand Corp (SNS)-6.3%

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

‹ January 30, 1979 · Every January 31 · February 1, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.