The stock market on May 9, 1980
May 9, 1980, a Friday. The S&P 500 fell 1.33% to close at 104.72. Of 4,540 US stocks that traded, 857 rose and 1,552 fell.
The S&P 500-1.33%closed at 104.72
How big a move#3,880of 24,799 trading days since 1928
$100 in the index since$7,357price only, to September 24, 2026
Stocks that rose857of 4,540; 1,552 fell
Biggest companyAT&T Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| GPU Inc (General Public Utilities) (GPU) | +13.0% |
| Chrysler Corp (C) | +7.5% |
| Intl. Flavors & Frag. (IFF) | +4.8% |
Biggest falls among the 500 largest companies
| Gould Inc (GLD) | -6.4% |
| Dome Petroleum Ltd (DMP) | -6.3% |
| Household International (HI) | -5.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 8, 1980 · Every May 9 · May 12, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.