Underfolio

Every trading day › 1979

The stock market on September 13, 1979

September 13, 1979, a Thursday. The S&P 500 rose 0.03% to close at 107.85. Of 4,507 US stocks that traded, 1,349 rose and 1,044 fell.

The S&P 500+0.03%closed at 107.85
How big a move#23,911of 24,799 trading days since 1928
$100 in the index since$7,143price only, to September 24, 2026
Stocks that rose1,349of 4,507; 1,044 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Searle G D & (SRL)+8.5%
Honeywell International (HON)+5.7%
Warner Communications (WCI)+5.6%

Biggest falls among the 500 largest companies

Dome Petroleum Ltd (DMP)-8.4%
Nlt Corp (NLT)-4.1%
Dole Food (DOLE)-4.0%

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

‹ September 12, 1979 · Every September 13 · September 14, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.