The stock market on September 9, 1977
September 9, 1977, a Friday. The S&P 500 fell 0.94% to close at 96.37. Of 4,649 US stocks that traded, 701 rose and 1,751 fell.
The S&P 500-0.94%closed at 96.37
How big a move#6,632of 24,799 trading days since 1928
$100 in the index since$7,994price only, to September 24, 2026
Stocks that rose701of 4,649; 1,751 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Pittston Brinks (PZB) | +3.0% |
| American National Insurance Company (ANAT) | +2.3% |
| Hudson's Bay Oil & Gas Co (HBO) | +2.1% |
Biggest falls among the 500 largest companies
| Allegheny Technologies (ATI) | -5.8% |
| Kellogg (K) | -5.7% |
| PPG Industries (PPG) | -5.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 8, 1977 · Every September 9 · September 12, 1977 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.