The stock market on August 20, 1979
August 20, 1979, a Monday. The S&P 500 rose 0.49% to close at 108.83. Of 4,509 US stocks that traded, 1,366 rose and 1,061 fell.
The S&P 500+0.49%closed at 108.83
How big a move#12,635of 24,799 trading days since 1928
$100 in the index since$7,079price only, to September 24, 2026
Stocks that rose1,366of 4,509; 1,061 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Spelling Entertnmt Grp Inc (SP) | +9.6% |
| Cabot Corporation (CBT) | +7.9% |
| Cit Group Inc-Old (CIT) | +5.6% |
Biggest falls among the 500 largest companies
| Hilton Worldwide Holdings (HLT) | -3.8% |
| Gulf United Corp (GHC) | -2.8% |
| Sterling Drug (STY) | -2.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 17, 1979 · Every August 20 · August 21, 1979 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.