The stock market on April 21, 1977
April 21, 1977, a Thursday. The S&P 500 fell 0.65% to close at 99.75. Of 4,687 US stocks that traded, 987 rose and 1,492 fell.
The S&P 500-0.65%closed at 99.75
How big a move#10,021of 24,799 trading days since 1928
$100 in the index since$7,723price only, to September 24, 2026
Stocks that rose987of 4,687; 1,492 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| 7-Eleven Inc (SE) | +2.9% |
| Atlantic Richfield (ARCO) (ARC) | +2.9% |
| BP p.l.c. (BP) | +2.6% |
Biggest falls among the 500 largest companies
| Data General Corp (DGN.) | -9.2% |
| Caliber System (CBB) | -7.0% |
| Eastern Enterprises (EFU) | -6.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ April 20, 1977 · Every April 21 · April 22, 1977 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.