The stock market on September 15, 1970
September 15, 1970, a Tuesday. The S&P 500 fell 0.87% to close at 81.36. Of 2,269 US stocks that traded, 436 rose and 1,437 fell.
The S&P 500-0.87%closed at 81.36
How big a move#7,287of 24,799 trading days since 1928
$100 in the index since$9,469price only, to September 24, 2026
Stocks that rose436of 2,269; 1,437 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Uop Inc (UOP) | +5.2% |
| Kellogg (K) | +4.9% |
| Schenley Industries Inc (SH) | +4.6% |
Biggest falls among the 500 largest companies
| Utah International (UC) | -6.0% |
| North American Philips | -5.3% |
| R.R. Donnelley & Sons (DNY) | -5.1% |
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.