The stock market on October 21, 1975
October 21, 1975, a Tuesday. The S&P 500 rose 0.82% to close at 90.56. Of 4,642 US stocks that traded, 1,523 rose and 924 fell.
The S&P 500+0.82%closed at 90.56
How big a move#7,752of 24,799 trading days since 1928
$100 in the index since$8,507price only, to September 24, 2026
Stocks that rose1,523of 4,642; 924 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Mgic Investment Corp (MGI) | +7.5% |
| Hanna (M A) Co (MAH) | +7.1% |
| Mcgraw Edison (MGR) | +7.0% |
Biggest falls among the 500 largest companies
| Hughes Tool Co (HT.) | -7.9% |
| Dresser Industries Inc (DI.) | -5.2% |
| Mca Inc. (MCA) | -4.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
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Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.