The stock market on October 21, 1987
October 21, 1987, a Wednesday. The S&P 500 rose 9.10% to close at 258.38. Of 6,383 US stocks that traded, 4,014 rose and 1,095 fell.
The S&P 500+9.10%closed at 258.38
How big a move#25of 24,799 trading days since 1928
$100 in the index since$2,982price only, to September 24, 2026
Stocks that rose4,014of 6,383; 1,095 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Pharmacia (PNU) | +38.5% |
| Liz Claiborne (LIZ) | +34.5% |
| CA Technologies (CA) | +30.6% |
Biggest falls among the 500 largest companies
| Texas Instruments (TXN) | -4.9% |
| Genuine Parts (GPC) | -3.1% |
| CSX Corporation (CSX) | -3.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 20, 1987 · Every October 21 · October 22, 1987 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.