The stock market on October 27, 1970
October 27, 1970, a Tuesday. The S&P 500 fell 0.23% to close at 83.12. Of 2,285 US stocks that traded, 655 rose and 1,129 fell.
The S&P 500-0.23%closed at 83.12
How big a move#18,297of 24,799 trading days since 1928
$100 in the index since$9,269price only, to September 24, 2026
Stocks that rose655of 2,285; 1,129 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Blair Corp (BL) | +5.0% |
| Pullman (PU) | +4.7% |
Biggest falls among the 500 largest companies
| Pan Am Corp | -7.4% |
| Digital Equipment (DEC) | -6.9% |
| North American Philips | -6.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 26, 1970 · Every October 27 · October 28, 1970 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.