The stock market on October 8, 1980
October 8, 1980, a Wednesday. The S&P 500 rose 0.50% to close at 131.65. Of 4,610 US stocks that traded, 1,797 rose and 1,197 fell.
The S&P 500+0.50%closed at 131.65
How big a move#12,519of 24,799 trading days since 1928
$100 in the index since$5,852price only, to September 24, 2026
Stocks that rose1,797of 4,610; 1,197 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Wheelabrator Frye (WFI) | +7.1% |
| Valero Energy (VLO) | +6.7% |
| Louisiana Land & Exploration (LLX.) | +6.6% |
Biggest falls among the 500 largest companies
| Cray Research (CYR) | -5.3% |
| Cinergy (CIN) | -4.1% |
| Sterling Drug (STY) | -4.1% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 7, 1980 · Every October 8 · October 9, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.