The stock market on September 29, 1980
September 29, 1980, a Monday. The S&P 500 fell 2.22% to close at 123.54. Of 4,601 US stocks that traded, 301 rose and 3,221 fell.
The S&P 500-2.22%closed at 123.54
How big a move#1,333of 24,799 trading days since 1928
$100 in the index since$6,236price only, to September 24, 2026
Stocks that rose301of 4,601; 3,221 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Hilton Worldwide Holdings (HLT) | +2.7% |
| Homestake Mining (HM) | +1.7% |
| Wells Fargo (WFC) | +1.6% |
Biggest falls among the 500 largest companies
| NL Industries, Inc. (NL) | -9.8% |
| PerkinElmer, Inc. (PKI) | -8.8% |
| Salomon | -8.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 26, 1980 · Every September 29 · September 30, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.