The stock market on October 27, 1980
October 27, 1980, a Monday. The S&P 500 fell 1.52% to close at 127.88. Of 4,631 US stocks that traded, 897 rose and 2,206 fell.
The S&P 500-1.52%closed at 127.88
How big a move#3,018of 24,799 trading days since 1928
$100 in the index since$6,024price only, to September 24, 2026
Stocks that rose897of 4,631; 2,206 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Petro-Lewis Corp | +11.1% |
| Texasgulf (TG) | +6.5% |
Biggest falls among the 500 largest companies
| Natomas Co (NOM) | -5.7% |
| Valero Energy (VLO) | -5.6% |
| Intel (INTC) | -5.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 24, 1980 · Every October 27 · October 28, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.