The stock market on April 20, 1988
April 20, 1988, a Wednesday. The S&P 500 fell 0.69% to close at 256.13. Of 6,246 US stocks that traded, 1,329 rose and 2,531 fell.
The S&P 500-0.69%closed at 256.13
How big a move#9,353of 24,799 trading days since 1928
$100 in the index since$3,008price only, to September 24, 2026
Stocks that rose1,329of 6,246; 2,531 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Occidental Petroleum (OXY) | +3.8% |
| BankAmerica Corp. | +3.7% |
| Security Pacific Corp | +3.6% |
Biggest falls among the 500 largest companies
| Illinova Corp (ILN) | -10.1% |
| US Airways Group (U) | -4.6% |
| Bank Of New England Corp (NEBK) | -4.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ April 19, 1988 · Every April 20 · April 21, 1988 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.