The stock market on August 18, 1986
August 18, 1986, a Monday. The S&P 500 rose 0.09% to close at 247.38. Of 5,914 US stocks that traded, 1,662 rose and 2,029 fell.
The S&P 500+0.09%closed at 247.38
How big a move#22,033of 24,799 trading days since 1928
$100 in the index since$3,114price only, to September 24, 2026
Stocks that rose1,662of 5,914; 2,029 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Gerber Products (GEB) | +8.6% |
| Reebok International (RBK) | +8.4% |
| Unocal Exploration Corp (UXC) | +7.6% |
Biggest falls among the 500 largest companies
| Newmont Gold Co (NGC) | -5.4% |
| Molson Coors Brewing (RKY) | -4.9% |
| Newmont Mining (NEM) | -4.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 15, 1986 · Every August 18 · August 19, 1986 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.