The stock market on March 21, 1978
March 21, 1978, a Tuesday. The S&P 500 fell 1.13% to close at 89.79. Of 4,572 US stocks that traded, 897 rose and 1,507 fell.
The S&P 500-1.13%closed at 89.79
How big a move#4,971of 24,799 trading days since 1928
$100 in the index since$8,580price only, to September 24, 2026
Stocks that rose897of 4,572; 1,507 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Sunbeam Corp | +3.1% |
| Homestake Mining (HM) | +3.0% |
| Airco Inc (AN) | +3.0% |
Biggest falls among the 500 largest companies
| Sears Roebuck (S) | -7.6% |
| Merrill Lynch (MER) | -5.7% |
| RCA Corp (RCA) | -5.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ March 20, 1978 · Every March 21 · March 22, 1978 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.