The stock market on September 16, 1970
September 16, 1970, a Wednesday. The S&P 500 rose 0.53% to close at 81.79. Of 2,270 US stocks that traded, 1,099 rose and 705 fell.
The S&P 500+0.53%closed at 81.79
How big a move#11,979of 24,799 trading days since 1928
$100 in the index since$9,419price only, to September 24, 2026
Stocks that rose1,099of 2,270; 705 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Memorex Corp (MRX) | +9.7% |
| Ncr Corp. (NCR) | +8.0% |
Biggest falls among the 500 largest companies
| Baxter International (BAX) | -6.8% |
| Masco (MAS) | -4.1% |
| Kaiser Industries Corp (KI) | -4.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 15, 1970 · Every September 16 · September 17, 1970 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.