The stock market on May 20, 1988
May 20, 1988, a Friday. The S&P 500 rose 0.18% to close at 253.02. Of 6,226 US stocks that traded, 1,969 rose and 1,717 fell.
The S&P 500+0.18%closed at 253.02
How big a move#19,644of 24,799 trading days since 1928
$100 in the index since$3,045price only, to September 24, 2026
Stocks that rose1,969of 6,226; 1,717 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| S&P Global (MHP) | +5.4% |
| Amax Inc. (AMX) | +4.7% |
| Murphy Oil Corporation (MUR) | +4.6% |
Biggest falls among the 500 largest companies
| Tele-Comm Tci Group -ser A (TCOMA) | -6.5% |
| TJX Companies, Inc. (The) (TJX) | -4.6% |
| Security Pacific Corp | -4.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ May 19, 1988 · Every May 20 · May 23, 1988 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.