The stock market on September 8, 1970
September 8, 1970, a Tuesday. The S&P 500 rose 0.25% to close at 83.04. Of 2,266 US stocks that traded, 1,055 rose and 836 fell.
The S&P 500+0.25%closed at 83.04
How big a move#17,632of 24,799 trading days since 1928
$100 in the index since$9,278price only, to September 24, 2026
Stocks that rose1,055of 2,266; 836 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| CSX Corporation (CSX) | +12.4% |
| Memorex Corp (MRX) | +9.6% |
| Natomas Co (NOM) | +9.2% |
Biggest falls among the 500 largest companies
| Northwest Airlines (NWA) | -7.8% |
| First Interstate Bancorp (I) | -6.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 4, 1970 · Every September 8 · September 9, 1970 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.