The stock market on September 18, 1975
September 18, 1975, a Thursday. The S&P 500 rose 2.05% to close at 84.06. Of 4,643 US stocks that traded, 1,699 rose and 729 fell.
The S&P 500+2.05%closed at 84.06
How big a move#1,591of 24,799 trading days since 1928
$100 in the index since$9,165price only, to September 24, 2026
Stocks that rose1,699of 4,643; 729 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Ual Corp. (UAL) | +10.5% |
| Data General Corp (DGN.) | +9.0% |
| Ecolab (ECL) | +8.3% |
Biggest falls among the 500 largest companies
| Trans Union Corp (TU) | -6.3% |
| Energy Future Holdings (TXU) | -2.9% |
| Intl. Flavors & Frag. (IFF) | -2.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 17, 1975 · Every September 18 · September 19, 1975 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.