Underfolio

Every trading day › 1980

The stock market on July 9, 1980

July 9, 1980, a Wednesday. The S&P 500 rose 0.12% to close at 117.98. Of 4,549 US stocks that traded, 1,625 rose and 1,217 fell.

The S&P 500+0.12%closed at 117.98
How big a move#21,302of 24,799 trading days since 1928
$100 in the index since$6,530price only, to September 24, 2026
Stocks that rose1,625of 4,549; 1,217 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for3stocks

Biggest rises among the 500 largest companies

Signal Companies (SGN)+8.2%
American Medical Int'l (AMI)+7.7%
Crown Holdings (CCK)+5.8%

Biggest falls among the 500 largest companies

Crystal Gas Storage Inc (COR)-4.5%
Coastal-4.4%
Kerr-McGee (KMG)-4.1%

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

‹ July 8, 1980 · Every July 9 · July 10, 1980 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.