Underfolio

Every trading day › 1973

The stock market on September 12, 1973

September 12, 1973, a Wednesday. The S&P 500 fell 0.16% to close at 103.06. Of 5,008 US stocks that traded, 1,072 rose and 1,632 fell.

The S&P 500-0.16%closed at 103.06
How big a move#20,358of 24,799 trading days since 1928
$100 in the index since$7,475price only, to September 24, 2026
Stocks that rose1,072of 5,008; 1,632 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Clark Equipment (CKL)+6.3%
Robins (A.H.) Co (QRAH)+5.4%
Liggett Group Inc-Old+4.6%

Biggest falls among the 500 largest companies

Genuine Parts (GPC)-6.0%
Rohm & Haas (ROH)-5.8%
Mgic Investment Corp (MGI)-4.4%

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

‹ September 11, 1973 · Every September 12 · September 13, 1973 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.