Underfolio

Every trading day › 1972

The stock market on September 15, 1972

September 15, 1972, a Friday. The S&P 500 fell 0.11% to close at 108.81. Of 2,485 US stocks that traded, 851 rose and 1,052 fell.

The S&P 500-0.11%closed at 108.81
How big a move#21,561of 24,799 trading days since 1928
$100 in the index since$7,080price only, to September 24, 2026
Stocks that rose851of 2,485; 1,052 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

Litton Industries (LIT)+9.9%
Allegheny Technologies (ATI)+8.4%

Biggest falls among the 500 largest companies

Con-way (CNF)-6.1%
FMC Corporation (FMC)-5.2%
Maxxam (MAXX)-5.1%

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

‹ September 14, 1972 · Every September 15 · September 18, 1972 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.