The stock market on October 13, 1986
October 13, 1986, a Monday. The S&P 500 rose 0.18% to close at 235.91. Of 5,987 US stocks that traded, 1,706 rose and 1,657 fell.
The S&P 500+0.18%closed at 235.91
How big a move#19,545of 24,799 trading days since 1928
$100 in the index since$3,266price only, to September 24, 2026
Stocks that rose1,706of 5,987; 1,657 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Genentech Inc (DNA) | +6.5% |
| Dreyfus Corp (DRY) | +4.7% |
| Black & Decker (BDK) | +4.5% |
Biggest falls among the 500 largest companies
| TRW Inc. (TRW) | -4.6% |
| Niagara Mohawk Power (NMK) | -3.7% |
| Deere (DE) | -3.6% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 10, 1986 · Every October 13 · October 14, 1986 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.