The stock market on October 20, 1986
October 20, 1986, a Monday. The S&P 500 fell 1.20% to close at 235.97. Of 5,989 US stocks that traded, 1,237 rose and 2,484 fell.
The S&P 500-1.20%closed at 235.97
How big a move#4,544of 24,799 trading days since 1928
$100 in the index since$3,265price only, to September 24, 2026
Stocks that rose1,237of 5,989; 2,484 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| TJX Companies, Inc. (The) (TJX) | +7.1% |
| DirecTV (GMH) | +5.1% |
| Bestfoods (BFO) | +4.4% |
Biggest falls among the 500 largest companies
| Hasbro (HAS) | -12.8% |
| Enron (ENRNQ) | -8.7% |
| Con-way (CNF) | -5.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 17, 1986 · Every October 20 · October 21, 1986 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.