The stock market on May 21, 1986
May 21, 1986, a Wednesday. The S&P 500 fell 0.28% to close at 235.45. Of 5,790 US stocks that traded, 1,851 rose and 1,771 fell.
The S&P 500-0.28%closed at 235.45
How big a move#17,011of 24,799 trading days since 1928
$100 in the index since$3,272price only, to September 24, 2026
Stocks that rose1,851of 5,790; 1,771 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Telepictures Corp (TPIX) | +9.8% |
| I M S International Inc (IMSI.) | +6.6% |
| Allied Stores | +6.2% |
Biggest falls among the 500 largest companies
| Advanced Micro Devices (AMD) | -5.6% |
| North American Philips | -5.2% |
| Deere (DE) | -5.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 20, 1986 · Every May 21 · May 22, 1986 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.