The stock market on August 21, 1978
August 21, 1978, a Monday. The S&P 500 fell 0.80% to close at 103.89. Of 4,535 US stocks that traded, 908 rose and 1,793 fell.
The S&P 500-0.80%closed at 103.89
How big a move#8,004of 24,799 trading days since 1928
$100 in the index since$7,416price only, to September 24, 2026
Stocks that rose908of 4,535; 1,793 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Molson Coors Brewing (RKY) | +4.9% |
| Pacific Lumber Co | +4.4% |
| Dole Food (DOLE) | +4.2% |
Biggest falls among the 500 largest companies
| Lockheed Martin (LMT) | -5.0% |
| Flagstar Corp | -4.7% |
| Caliber System (CBB) | -4.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 18, 1978 · Every August 21 · August 22, 1978 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.