The stock market on April 21, 1978
April 21, 1978, a Friday. The S&P 500 fell 0.21% to close at 94.34. Of 4,581 US stocks that traded, 1,363 rose and 1,093 fell.
The S&P 500-0.21%closed at 94.34
How big a move#18,721of 24,799 trading days since 1928
$100 in the index since$8,166price only, to September 24, 2026
Stocks that rose1,363of 4,581; 1,093 fell
Biggest companyAT&T Corporationby market value that day
Biggest rises among the 500 largest companies
| Anheuser-Busch (BUD) | +5.1% |
| Gulf United Corp (GHC) | +5.0% |
| American General (AGC) | +3.9% |
Biggest falls among the 500 largest companies
| Heublein (HBL) | -5.7% |
| Amerada Hess (AHC) | -3.6% |
| Hercules (HPC) | -3.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ April 20, 1978 · Every April 21 · April 24, 1978 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.