The stock market on October 9, 1987
October 9, 1987, a Friday. The S&P 500 fell 0.98% to close at 311.07. Of 6,393 US stocks that traded, 1,575 rose and 2,388 fell.
The S&P 500-0.98%closed at 311.07
How big a move#6,190of 24,799 trading days since 1928
$100 in the index since$2,477price only, to September 24, 2026
Stocks that rose1,575of 6,393; 2,388 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Cabot Corporation (CBT) | +5.2% |
| MCI Communications (MCIC.) | +4.4% |
| Mead (MEA) | +3.9% |
Biggest falls among the 500 largest companies
| Dow Jones (DJ) | -7.4% |
| Price Co (PCLB) | -5.8% |
| Citizens Commun -ser B Old (CZN) | -5.8% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 8, 1987 · Every October 9 · October 12, 1987 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.