The stock market on September 23, 1975
September 23, 1975, a Tuesday. The S&P 500 fell 0.15% to close at 84.94. Of 4,642 US stocks that traded, 890 rose and 1,355 fell.
The S&P 500-0.15%closed at 84.94
How big a move#20,406of 24,799 trading days since 1928
$100 in the index since$9,070price only, to September 24, 2026
Stocks that rose890of 4,642; 1,355 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Intel (INTC) | +12.5% |
| Chubb (CB) | +9.3% |
| S&P Global (MHP) | +7.7% |
Biggest falls among the 500 largest companies
| NL Industries, Inc. (NL) | -5.9% |
| PanEnergy (PEL) | -4.7% |
| Gatx (GMT) | -4.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 22, 1975 · Every September 23 · September 24, 1975 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.