The stock market on March 20, 1979
March 20, 1979, a Tuesday. The S&P 500 fell 0.55% to close at 100.50. Of 4,427 US stocks that traded, 838 rose and 1,447 fell.
The S&P 500-0.55%closed at 100.50
How big a move#11,518of 24,799 trading days since 1928
$100 in the index since$7,666price only, to September 24, 2026
Stocks that rose838of 4,427; 1,447 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Caesars New Jersey Inc (CJN) | +3.1% |
| Eastern Enterprises (EFU) | +3.0% |
| Dome Mines (DM) | +2.8% |
Biggest falls among the 500 largest companies
| Louisiana-Pacific (LPX) | -4.8% |
| GenCorp (GY) | -4.6% |
| Maxus Energy (MXS) | -4.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ March 19, 1979 · Every March 20 · March 21, 1979 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.