The stock market on August 27, 1980
August 27, 1980, a Wednesday. The S&P 500 fell 1.06% to close at 123.52. Of 4,576 US stocks that traded, 1,049 rose and 1,809 fell.
The S&P 500-1.06%closed at 123.52
How big a move#5,567of 24,799 trading days since 1928
$100 in the index since$6,237price only, to September 24, 2026
Stocks that rose1,049of 4,576; 1,809 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Sedco (SED) | +5.7% |
| City Investing Co (CNV) | +5.2% |
| Santa Fe International (SAF) | +5.1% |
Biggest falls among the 500 largest companies
| Louisiana-Pacific (LPX) | -4.9% |
| Gould Inc (GLD) | -4.8% |
| Pioneer Hi-Bred International, Inc. (PHB) | -4.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 26, 1980 · Every August 27 · August 28, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.