Underfolio

Every trading day › 1972

The stock market on September 21, 1972

September 21, 1972, a Thursday. The S&P 500 fell 0.16% to close at 108.43. Of 2,487 US stocks that traded, 739 rose and 1,145 fell.

The S&P 500-0.16%closed at 108.43
How big a move#20,310of 24,799 trading days since 1928
$100 in the index since$7,105price only, to September 24, 2026
Stocks that rose739of 2,487; 1,145 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

General Dynamics (GD)+5.0%
Ethyl (NEU)+4.6%
Pan Am Corp+4.4%

Biggest falls among the 500 largest companies

Amerada Hess (AHC)-6.3%
Reynolds Metals (RLM)-5.8%
Adt Inc -old (ADT)-5.0%

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

‹ September 20, 1972 · Every September 21 · September 22, 1972 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.