The stock market on August 21, 1979
August 21, 1979, a Tuesday. The S&P 500 rose 0.07% to close at 108.91. Of 4,509 US stocks that traded, 1,240 rose and 1,174 fell.
The S&P 500+0.07%closed at 108.91
How big a move#22,655of 24,799 trading days since 1928
$100 in the index since$7,074price only, to September 24, 2026
Stocks that rose1,240of 4,509; 1,174 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Beech Aircraft Corp (BCX) | +8.7% |
| Aquitaine Co Canada Ltd (AQC) | +7.9% |
| Paccar (PCAR) | +7.0% |
Biggest falls among the 500 largest companies
| Warner-Lambert (WLA) | -4.0% |
| Gulf United Corp (GHC) | -3.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 20, 1979 · Every August 21 · August 22, 1979 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.