Underfolio

Every trading day › 1975

The stock market on January 31, 1975

January 31, 1975, a Friday. The S&P 500 rose 1.01% to close at 76.98. Of 4,578 US stocks that traded, 1,762 rose and 870 fell.

The S&P 500+1.01%closed at 76.98
How big a move#5,954of 24,799 trading days since 1928
$100 in the index since$10,008price only, to September 24, 2026
Stocks that rose1,762of 4,578; 870 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Polaroid (PRDCQ)+11.0%
Honeywell (HON.Z)+9.7%
Pe Corp-Pe Biosy (PEB)+8.3%

Biggest falls among the 500 largest companies

Mallinckrodt (MKG)-6.6%
Varity Corp (VAT)-6.2%
DTE Energy (DTE)-5.0%

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

‹ January 30, 1975 · Every January 31 · February 3, 1975 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.