The stock market on September 30, 1970
September 30, 1970, a Wednesday. The S&P 500 rose 0.52% to close at 84.30. Of 2,275 US stocks that traded, 949 rose and 909 fell.
The S&P 500+0.52%closed at 84.30
How big a move#12,039of 24,799 trading days since 1928
$100 in the index since$9,139price only, to September 24, 2026
Stocks that rose949of 2,275; 909 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Genesco Inc. (GCO) | +8.7% |
| Aquitaine Co Canada Ltd (AQC) | +7.1% |
| Robins (A.H.) Co (QRAH) | +5.9% |
Biggest falls among the 500 largest companies
| Uccel Corp (UCE) | -9.2% |
| Seatrain Lines | -8.5% |
| Qantel Corp | -5.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 29, 1970 · Every September 30 · October 1, 1970 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.