The stock market on October 21, 1988
October 21, 1988, a Friday. The S&P 500 rose 0.28% to close at 283.66. Of 6,146 US stocks that traded, 1,848 rose and 1,720 fell.
The S&P 500+0.28%closed at 283.66
How big a move#17,099of 24,799 trading days since 1928
$100 in the index since$2,716price only, to September 24, 2026
Stocks that rose1,848of 6,146; 1,720 fell
Biggest companyInternational Business Machines Corporationby market value that day
Biggest rises among the 500 largest companies
| Sara Lee (SLE) | +6.1% |
| Anadarko Petroleum (APC) | +5.8% |
| Sears Roebuck (S) | +5.6% |
Biggest falls among the 500 largest companies
| Brunswick (BC) | -6.3% |
| Sun Microsystems (SUNW) | -5.3% |
| Digital Equipment (DEC) | -4.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 20, 1988 · Every October 21 · October 24, 1988 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.