The stock market on July 21, 1988
July 21, 1988, a Thursday. The S&P 500 fell 1.24% to close at 266.66. Of 6,204 US stocks that traded, 1,324 rose and 2,382 fell.
The S&P 500-1.24%closed at 266.66
How big a move#4,341of 24,799 trading days since 1928
$100 in the index since$2,889price only, to September 24, 2026
Stocks that rose1,324of 6,204; 2,382 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Mead (MEA) | +7.3% |
| Macmillan (MLL) | +5.4% |
| Pillsbury Co | +4.7% |
Biggest falls among the 500 largest companies
| Tandem Computers Inc (TDM.) | -15.8% |
| Enron (ENRNQ) | -7.4% |
| Con-way (CNF) | -5.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ July 20, 1988 · Every July 21 · July 22, 1988 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.