The stock market on October 3, 1980
October 3, 1980, a Friday. The S&P 500 rose 0.97% to close at 129.33. Of 4,603 US stocks that traded, 2,158 rose and 780 fell.
The S&P 500+0.97%closed at 129.33
How big a move#6,313of 24,799 trading days since 1928
$100 in the index since$5,957price only, to September 24, 2026
Stocks that rose2,158of 4,603; 780 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Wells Fargo & Co. (WFC.Z) | +10.4% |
| Rolm (RM) | +9.3% |
| Tandem Computers Inc (TDM.) | +9.2% |
Biggest falls among the 500 largest companies
| Dome Mines (DM) | -3.5% |
| Homestake Mining (HM) | -2.8% |
| Snap-On (SNA) | -2.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 2, 1980 · Every October 3 · October 6, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.