Underfolio

Every trading day › 1978

The stock market on September 26, 1978

September 26, 1978, a Tuesday. The S&P 500 rose 0.75% to close at 102.62. Of 4,553 US stocks that traded, 1,716 rose and 810 fell.

The S&P 500+0.75%closed at 102.62
How big a move#8,688of 24,799 trading days since 1928
$100 in the index since$7,507price only, to September 24, 2026
Stocks that rose1,716of 4,553; 810 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

Ramanda Inc. (RAM)+13.8%
Del Monte (DEL)+13.2%
Olinkraft Inc (OKF)+11.6%

Biggest falls among the 500 largest companies

Pittston Brinks (PZB)-2.7%
Kennecott (KN)-2.3%
FMC Corporation (FMC)-2.3%

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

‹ September 25, 1978 · Every September 26 · September 27, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.