Underfolio

Every trading day › 1978

The stock market on September 28, 1978

September 28, 1978, a Thursday. The S&P 500 rose 0.30% to close at 101.96. Of 4,552 US stocks that traded, 1,175 rose and 1,327 fell.

The S&P 500+0.30%closed at 101.96
How big a move#16,643of 24,799 trading days since 1928
$100 in the index since$7,556price only, to September 24, 2026
Stocks that rose1,175of 4,552; 1,327 fell
Biggest companyAT&T Corporationby market value that day

Biggest rises among the 500 largest companies

Kennecott (KN)+10.4%
Doctor Pepper (DOC)+8.0%
Schlitz (jos.) Brewing Co (SLZ.)+7.4%

Biggest falls among the 500 largest companies

Edison Brothers Stores (EDBR.)-3.7%
Great Western Financial (GWF.)-2.5%
Baxter International (BAX)-2.3%

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

‹ September 27, 1978 · Every September 28 · September 29, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.