The stock market on March 21, 1986
March 21, 1986, a Friday. The S&P 500 fell 1.35% to close at 233.34. Of 5,750 US stocks that traded, 2,089 rose and 1,778 fell.
The S&P 500-1.35%closed at 233.34
How big a move#3,758of 24,799 trading days since 1928
$100 in the index since$3,302price only, to September 24, 2026
Stocks that rose2,089of 5,750; 1,778 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Genstar Corp (GST) | +17.5% |
| Quantum Chemical (CUE) | +7.4% |
| Mercantile Stores (MST.) | +5.7% |
Biggest falls among the 500 largest companies
| L Brands (LTD) | -7.8% |
| Dun & Bradstreet Holdngs Inc (DNB) | -6.7% |
| Heinz (HNZ) | -5.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ March 20, 1986 · Every March 21 · March 24, 1986 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.