Underfolio

Every trading day › 1980

The stock market on September 24, 1980

September 24, 1980, a Wednesday. The S&P 500 rose 0.73% to close at 130.37. Of 4,598 US stocks that traded, 1,315 rose and 1,795 fell.

The S&P 500+0.73%closed at 130.37
How big a move#8,931of 24,799 trading days since 1928
$100 in the index since$5,909price only, to September 24, 2026
Stocks that rose1,315of 4,598; 1,795 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

City Investing Co (CNV)+9.1%
Gulf (GO)+8.4%
Hercules (HPC)+8.1%

Biggest falls among the 500 largest companies

Walmart (WMT)-4.9%
Dana (DAN)-4.9%
Delta Air Lines (DAL)-4.5%

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

‹ September 23, 1980 · Every September 24 · September 25, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.