Underfolio

Every trading day › 1977

The stock market on January 31, 1977

January 31, 1977, a Monday. The S&P 500 rose 0.10% to close at 102.03. Of 4,645 US stocks that traded, 1,009 rose and 1,553 fell.

The S&P 500+0.10%closed at 102.03
How big a move#21,896of 24,799 trading days since 1928
$100 in the index since$7,551price only, to September 24, 2026
Stocks that rose1,009of 4,645; 1,553 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

R.R. Donnelley & Sons (DNY)+3.7%
Sedco (SED)+3.7%
General Dynamics (GD)+3.4%

Biggest falls among the 500 largest companies

Crum & Forster (CMF)-5.9%
Heublein (HBL)-5.1%

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

‹ January 28, 1977 · Every January 31 · February 1, 1977 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.