The stock market on September 11, 1970
September 11, 1970, a Friday. The S&P 500 rose 0.27% to close at 82.52. Of 2,268 US stocks that traded, 1,162 rose and 667 fell.
The S&P 500+0.27%closed at 82.52
How big a move#17,279of 24,799 trading days since 1928
$100 in the index since$9,336price only, to September 24, 2026
Stocks that rose1,162of 2,268; 667 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Anaconda (A) | +7.9% |
| Uop Inc (UOP) | +7.0% |
| Ual Corp. (UAL) | +6.6% |
Biggest falls among the 500 largest companies
| International Paper (IP) | -5.7% |
| Textron (TXT) | -5.4% |
| Digital Equipment (DEC) | -3.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 10, 1970 · Every September 11 · September 14, 1970 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.