Underfolio

Every trading day › 1980

The stock market on January 4, 1980

January 4, 1980, a Friday. The S&P 500 rose 1.24% to close at 106.52. Of 4,510 US stocks that traded, 2,167 rose and 493 fell.

The S&P 500+1.24%closed at 106.52
How big a move#4,354of 24,799 trading days since 1928
$100 in the index since$7,233price only, to September 24, 2026
Stocks that rose2,167of 4,510; 493 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Northrop Grumman (NOC)+12.5%
Sundstrand Corp (SNS)+11.2%
Centex (CTX)+11.1%

Biggest falls among the 500 largest companies

Snap-On (SNA)-2.8%
Stanley Black & Decker (SWK)-2.7%

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

‹ January 3, 1980 · Every January 4 · January 7, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.