The stock market on September 18, 1980
September 18, 1980, a Thursday. The S&P 500 fell 0.36% to close at 128.40. Of 4,589 US stocks that traded, 1,457 rose and 1,663 fell.
The S&P 500-0.36%closed at 128.40
How big a move#15,106of 24,799 trading days since 1928
$100 in the index since$6,000price only, to September 24, 2026
Stocks that rose1,457of 4,589; 1,663 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Manville (JM) | +11.0% |
| Parker Drilling Co (PKDC) | +6.3% |
| St Regis (SRT) | +5.7% |
Biggest falls among the 500 largest companies
| Aquitaine Co Canada Ltd (AQC) | -8.1% |
| Fina Inc -cl A (FI) | -6.2% |
| Raychem Corp (RYC.) | -5.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 17, 1980 · Every September 18 · September 19, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.