The stock market on September 20, 1977
September 20, 1977, a Tuesday. The S&P 500 rose 0.04% to close at 95.89. Of 4,651 US stocks that traded, 1,007 rose and 1,299 fell.
The S&P 500+0.04%closed at 95.89
How big a move#23,543of 24,799 trading days since 1928
$100 in the index since$8,034price only, to September 24, 2026
Stocks that rose1,007of 4,651; 1,299 fell
Biggest companyAT&T Corporationby market value that day
Biggest rises among the 500 largest companies
| Enova Corp (ENA) | +6.9% |
| Dome Petroleum Ltd (DMP) | +6.9% |
| Mesa Inc (MXP.) | +5.3% |
Biggest falls among the 500 largest companies
| Comsat Corp -ser 1 (CQ) | -3.9% |
| Burlington Industries Equity | -3.2% |
| PPG Industries (PPG) | -3.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 19, 1977 · Every September 20 · September 21, 1977 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.