The stock market on May 18, 1988
May 18, 1988, a Wednesday. The S&P 500 fell 1.58% to close at 251.35. Of 6,226 US stocks that traded, 898 rose and 3,041 fell.
The S&P 500-1.58%closed at 251.35
How big a move#2,750of 24,799 trading days since 1928
$100 in the index since$3,065price only, to September 24, 2026
Stocks that rose898of 6,226; 3,041 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Macmillan (MLL) | +36.0% |
| Lucky Stores (LKS) | +5.1% |
| Telerate Inc (TLR) | +3.3% |
Biggest falls among the 500 largest companies
| Union Carbide | -16.7% |
| Hewlett-Packard (HWP) | -8.6% |
| MCI Communications (MCIC.) | -6.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 17, 1988 · Every May 18 · May 19, 1988 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.