The stock market on August 28, 1980
August 28, 1980, a Thursday. The S&P 500 fell 1.17% to close at 122.08. Of 4,577 US stocks that traded, 846 rose and 2,058 fell.
The S&P 500-1.17%closed at 122.08
How big a move#4,747of 24,799 trading days since 1928
$100 in the index since$6,311price only, to September 24, 2026
Stocks that rose846of 4,577; 2,058 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Homestake Mining (HM) | +10.8% |
| Coastal | +5.8% |
| Burlington Northern Santa Fe | +3.6% |
Biggest falls among the 500 largest companies
| Pogo Producing Co (PPP) | -6.1% |
| Sedco (SED) | -5.8% |
| Nicor Gas (GAS) | -5.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 27, 1980 · Every August 28 · August 29, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.