The stock market on October 9, 1980
October 9, 1980, a Thursday. The S&P 500 fell 0.46% to close at 131.04. Of 4,614 US stocks that traded, 1,387 rose and 1,526 fell.
The S&P 500-0.46%closed at 131.04
How big a move#13,113of 24,799 trading days since 1928
$100 in the index since$5,879price only, to September 24, 2026
Stocks that rose1,387of 4,614; 1,526 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Owens-Illinois (OI) | +6.5% |
| Avnet (AVT) | +6.4% |
| Homestake Mining (HM) | +6.0% |
Biggest falls among the 500 largest companies
| Natomas Co (NOM) | -7.5% |
| Sterling Drug (STY) | -4.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 8, 1980 · Every October 9 · October 10, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.