The stock market on September 26, 1979
September 26, 1979, a Wednesday. The S&P 500 rose 0.26% to close at 109.96. Of 4,506 US stocks that traded, 1,434 rose and 908 fell.
The S&P 500+0.26%closed at 109.96
How big a move#17,587of 24,799 trading days since 1928
$100 in the index since$7,006price only, to September 24, 2026
Stocks that rose1,434of 4,506; 908 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Loctite Corp (LOC) | +22.5% |
| Cameron Iron Works (CIW) | +7.8% |
| Phelps Dodge (PD) | +6.2% |
Biggest falls among the 500 largest companies
| Caesars World (CAW) | -3.7% |
| Louisiana Land & Exploration (LLX.) | -3.5% |
| National Semiconductor (NSM) | -3.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 25, 1979 · Every September 26 · September 27, 1979 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.