The stock market on September 12, 1978
September 12, 1978, a Tuesday. The S&P 500 rose 0.01% to close at 106.99. Of 4,543 US stocks that traded, 1,276 rose and 1,367 fell.
The S&P 500+0.01%closed at 106.99
How big a move#24,339of 24,799 trading days since 1928
$100 in the index since$7,201price only, to September 24, 2026
Stocks that rose1,276of 4,543; 1,367 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Griffin GAMING&ENTMT (GGE) | +12.7% |
| Ocean Drilling & Exploration (ODR) | +10.1% |
| Mallinckrodt Inc -old (MALL.) | +8.3% |
Biggest falls among the 500 largest companies
| Houston Oil & Minerals (HOI) | -10.0% |
| Pan Am Corp | -5.9% |
| Raytheon (RTN) | -4.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 11, 1978 · Every September 12 · September 13, 1978 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.