The stock market on July 20, 1979
July 20, 1979, a Friday. The S&P 500 rose 0.21% to close at 101.82. Of 4,516 US stocks that traded, 1,286 rose and 995 fell.
The S&P 500+0.21%closed at 101.82
How big a move#18,849of 24,799 trading days since 1928
$100 in the index since$7,566price only, to September 24, 2026
Stocks that rose1,286of 4,516; 995 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| General American Oil Co Tx (GAO) | +13.4% |
| Studebaker-Worthington Inc (SKW) | +6.7% |
| Paccar (PCAR) | +6.2% |
Biggest falls among the 500 largest companies
| GenCorp (GY) | -8.8% |
| Beckman Coulter (BEC) | -2.4% |
| Walmart (WMT) | -2.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ July 19, 1979 · Every July 20 · July 23, 1979 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.