Underfolio

Every trading day › 1978

The stock market on September 5, 1978

September 5, 1978, a Tuesday. The S&P 500 rose 0.78% to close at 104.49. Of 4,535 US stocks that traded, 1,367 rose and 1,197 fell.

The S&P 500+0.78%closed at 104.49
How big a move#8,228of 24,799 trading days since 1928
$100 in the index since$7,373price only, to September 24, 2026
Stocks that rose1,367of 4,535; 1,197 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock

Biggest rises among the 500 largest companies

National Semiconductor (NSM)+9.8%
Bally Entertainment (BLY)+7.9%
Ual Corp. (UAL)+6.5%

Biggest falls among the 500 largest companies

American Homes 4 Rent (AMH)-7.0%
Crown Holdings (CCK)-3.7%
Aquitaine Co Canada Ltd (AQC)-3.6%

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

‹ September 1, 1978 · Every September 5 · September 6, 1978 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.