Underfolio

Every trading day › 1973

The stock market on September 26, 1973

September 26, 1973, a Wednesday. The S&P 500 rose 0.72% to close at 108.83. Of 4,996 US stocks that traded, 1,961 rose and 1,004 fell.

The S&P 500+0.72%closed at 108.83
How big a move#8,995of 24,799 trading days since 1928
$100 in the index since$7,079price only, to September 24, 2026
Stocks that rose1,961of 4,996; 1,004 fell
Biggest companyInternational Business Machines Corporationby market value that day

Biggest rises among the 500 largest companies

NL Industries, Inc. (NL)+8.6%
Pittston Brinks (PZB)+8.3%
Allegheny Technologies (ATI)+7.8%

Biggest falls among the 500 largest companies

H.F. Ahmanson (AHM)-7.6%
Leaseway Transportation Corp (LSWY)-7.4%
First Charter Financial (FCF)-5.3%

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

‹ September 25, 1973 · Every September 26 · September 27, 1973 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.