The stock market on May 9, 1988
May 9, 1988, a Monday. The S&P 500 fell 0.37% to close at 256.54. Of 6,227 US stocks that traded, 1,350 rose and 2,448 fell.
The S&P 500-0.37%closed at 256.54
How big a move#15,100of 24,799 trading days since 1928
$100 in the index since$3,003price only, to September 24, 2026
Stocks that rose1,350of 6,227; 2,448 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Media General Inc -old (MEG) | +4.8% |
| Target (TGT) | +3.5% |
| American Financial Group, Inc. (AFG) | +3.3% |
Biggest falls among the 500 largest companies
| Safety-Kleen (SK) | -5.3% |
| West Point Pepperell (WPM) | -4.7% |
| Advanced Micro Devices (AMD) | -4.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 6, 1988 · Every May 9 · May 10, 1988 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.