The stock market on September 25, 1980
September 25, 1980, a Thursday. The S&P 500 fell 1.27% to close at 128.72. Of 4,595 US stocks that traded, 1,041 rose and 1,939 fell.
The S&P 500-1.27%closed at 128.72
How big a move#4,176of 24,799 trading days since 1928
$100 in the index since$5,985price only, to September 24, 2026
Stocks that rose1,041of 4,595; 1,939 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Squibb Corp. (SQB) | +4.7% |
| Armco Inc (AS.) | +3.8% |
| Transco Energy (E) | +3.7% |
Biggest falls among the 500 largest companies
| City Investing Co (CNV) | -7.1% |
| Hercules (HPC) | -7.0% |
| Freeport-McMoran (FTX) | -5.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 24, 1980 · Every September 25 · September 26, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.