Underfolio

Every trading day › 1975

The stock market on September 11, 1975

September 11, 1975, a Thursday. The S&P 500 fell 0.41% to close at 83.45. Of 4,645 US stocks that traded, 922 rose and 1,298 fell.

The S&P 500-0.41%closed at 83.45
How big a move#14,231of 24,799 trading days since 1928
$100 in the index since$9,232price only, to September 24, 2026
Stocks that rose922of 4,645; 1,298 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Westmoreland Coal Co (WLB)+5.5%
Robins (A.H.) Co (QRAH)+5.4%
Levi Strauss (LEVI)+4.7%

Biggest falls among the 500 largest companies

Tambrands Inc (TMB)-4.9%
Target (TGT)-4.4%

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

‹ September 10, 1975 · Every September 11 · September 12, 1975 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.