The stock market on May 9, 1986
May 9, 1986, a Friday. The S&P 500 rose 0.30% to close at 237.85. Of 5,768 US stocks that traded, 2,182 rose and 1,559 fell.
The S&P 500+0.30%closed at 237.85
How big a move#16,462of 24,799 trading days since 1928
$100 in the index since$3,239price only, to September 24, 2026
Stocks that rose2,182of 5,768; 1,559 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Gap, Inc. (The) (GPS) | +5.8% |
| Grumman Corp. (GQ) | +4.4% |
| Petrie Stores Liquidation Tr | +4.4% |
Biggest falls among the 500 largest companies
| Bank One Corp. (ONE) | -3.7% |
| Mesa Inc (MXP.) | -3.4% |
| New Century Energies (NCE) | -3.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 8, 1986 · Every May 9 · May 12, 1986 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.