The stock market on September 12, 1979
September 12, 1979, a Wednesday. The S&P 500 rose 0.29% to close at 107.82. Of 4,507 US stocks that traded, 1,357 rose and 1,108 fell.
The S&P 500+0.29%closed at 107.82
How big a move#16,806of 24,799 trading days since 1928
$100 in the index since$7,145price only, to September 24, 2026
Stocks that rose1,357of 4,507; 1,108 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Pittston Brinks (PZB) | +11.0% |
| Santa Fe International (SAF) | +7.9% |
| Dome Petroleum Ltd (DMP) | +7.3% |
Biggest falls among the 500 largest companies
| Crum & Forster (CMF) | -7.0% |
| Norfolk Southern (NSC) | -4.2% |
| Chubb (CB) | -3.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 11, 1979 · Every September 12 · September 13, 1979 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.