Underfolio

Every trading day › 1975

The stock market on September 16, 1975

September 16, 1975, a Tuesday. The S&P 500 fell 0.95% to close at 82.09. Of 4,640 US stocks that traded, 679 rose and 1,738 fell.

The S&P 500-0.95%closed at 82.09
How big a move#6,447of 24,799 trading days since 1928
$100 in the index since$9,385price only, to September 24, 2026
Stocks that rose679of 4,640; 1,738 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Trans Union Corp (TU)+3.5%
Square "d" (SQD)+3.4%
Quaker Oats (OAT.)+3.0%

Biggest falls among the 500 largest companies

Santa Fe International (SAF)-9.0%
Pullman (PU)-7.8%
Rohm & Haas (ROH)-7.8%

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

‹ September 15, 1975 · Every September 16 · September 17, 1975 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.