The stock market on July 31, 1978
July 31, 1978, a Monday. The S&P 500 rose 0.68% to close at 100.68. Of 4,541 US stocks that traded, 1,690 rose and 891 fell.
The S&P 500+0.68%closed at 100.68
How big a move#9,553of 24,799 trading days since 1928
$100 in the index since$7,652price only, to September 24, 2026
Stocks that rose1,690of 4,541; 891 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Lockheed Martin (LMT) | +9.4% |
| Colonial Penn Group Inc (CPG) | +9.2% |
| Schlitz (jos.) Brewing Co (SLZ.) | +7.9% |
Biggest falls among the 500 largest companies
| Coastal | -5.0% |
| Asarco Inc (AR) | -3.9% |
| Phelps Dodge (PD) | -3.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ July 28, 1978 · Every July 31 · August 1, 1978 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.