The stock market on September 17, 1975
September 17, 1975, a Wednesday. The S&P 500 rose 0.34% to close at 82.37. Of 4,643 US stocks that traded, 993 rose and 1,242 fell.
The S&P 500+0.34%closed at 82.37
How big a move#15,583of 24,799 trading days since 1928
$100 in the index since$9,353price only, to September 24, 2026
Stocks that rose993of 4,643; 1,242 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Great Atlantic & Pacific Tea (GAPTQ) | +9.1% |
| Utah International (UC) | +6.9% |
| Trans Union Corp (TU) | +6.7% |
Biggest falls among the 500 largest companies
| Homestake Mining (HM) | -7.0% |
| Vetco Inc (VET) | -5.8% |
| Nch Corp (NCH) | -5.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 16, 1975 · Every September 17 · September 18, 1975 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.