The stock market on August 15, 1980
August 15, 1980, a Friday. The S&P 500 rose 0.38% to close at 125.72. Of 4,574 US stocks that traded, 1,743 rose and 1,138 fell.
The S&P 500+0.38%closed at 125.72
How big a move#14,902of 24,799 trading days since 1928
$100 in the index since$6,128price only, to September 24, 2026
Stocks that rose1,743of 4,574; 1,138 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Cox Communications Inc -old (COX.) | +11.2% |
| Mitchell Energy & Devel. (MND) | +7.2% |
| Petrolite Corp (PLIT) | +7.2% |
Biggest falls among the 500 largest companies
| Sabine Corp (SAB) | -4.2% |
| Polaroid (PRDCQ) | -3.9% |
| JCPenney (JCP) | -3.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 14, 1980 · Every August 15 · August 18, 1980 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.