The stock market on August 21, 1986
August 21, 1986, a Thursday. The S&P 500 fell 0.04% to close at 249.67. Of 5,925 US stocks that traded, 1,824 rose and 1,911 fell.
The S&P 500-0.04%closed at 249.67
How big a move#23,590of 24,799 trading days since 1928
$100 in the index since$3,086price only, to September 24, 2026
Stocks that rose1,824of 5,925; 1,911 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| YRC Worldwide (YELL) | +7.3% |
| Crown Zellerbach | +6.7% |
| Gap, Inc. (The) (GPS) | +6.2% |
Biggest falls among the 500 largest companies
| American Stores (ASC) | -7.8% |
| Supervalu (SVU) | -5.5% |
| Wendy's International Inc (WEN) | -3.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 20, 1986 · Every August 21 · August 22, 1986 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.