Underfolio

Every trading day › 1979

The stock market on September 5, 1979

September 5, 1979, a Wednesday. The S&P 500 fell 0.97% to close at 106.40. Of 4,507 US stocks that traded, 335 rose and 2,743 fell.

The S&P 500-0.97%closed at 106.40
How big a move#6,316of 24,799 trading days since 1928
$100 in the index since$7,241price only, to September 24, 2026
Stocks that rose335of 4,507; 2,743 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Storage Technology (STK)+11.8%
Gulf United Corp (GHC)+5.7%
Salomon+5.5%

Biggest falls among the 500 largest companies

Dome Petroleum Ltd (DMP)-6.2%
Pogo Producing Co (PPP)-6.1%
Belco Petroleum Corp (BPC)-5.7%

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

‹ September 4, 1979 · Every September 5 · September 6, 1979 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.