Underfolio

Every trading day › 1979

The stock market on January 11, 1979

January 11, 1979, a Thursday. The S&P 500 rose 0.33% to close at 99.10. Of 4,536 US stocks that traded, 1,351 rose and 1,058 fell.

The S&P 500+0.33%closed at 99.10
How big a move#15,735of 24,799 trading days since 1928
$100 in the index since$7,774price only, to September 24, 2026
Stocks that rose1,351of 4,536; 1,058 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

CNA Financial Corporation (CNA)+8.8%
Allegheny Technologies (ATI)+8.3%
Caesars New Jersey Inc (CJN)+7.6%

Biggest falls among the 500 largest companies

Holiday Corp. (HIA)-6.3%
Mcdermott Intl Inc (MDRIQ)-4.4%
U S West Communications Inc-4.3%

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

‹ January 10, 1979 · Every January 11 · January 12, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.