Underfolio

Every trading day › 1970

The stock market on September 1, 1970

September 1, 1970, a Tuesday. The S&P 500 fell 0.70% to close at 80.95. Of 2,265 US stocks that traded, 667 rose and 1,108 fell.

The S&P 500-0.70%closed at 80.95
How big a move#9,298of 24,799 trading days since 1928
$100 in the index since$9,517price only, to September 24, 2026
Stocks that rose667of 2,265; 1,108 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

New York Times (NYT)+10.7%
Texasgulf (TG)+7.6%
Dart Industries (D)+5.6%

Biggest falls among the 500 largest companies

Amfac Inc (AMA)-5.8%
Hewlett-Packard (HWP)-5.7%
Halliburton (HAL)-5.7%

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

‹ August 31, 1970 · Every September 1 · September 2, 1970 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.