The stock market on August 31, 1988
August 31, 1988, a Wednesday. The S&P 500 fell 0.38% to close at 261.52. Of 6,173 US stocks that traded, 1,856 rose and 1,707 fell.
The S&P 500-0.38%closed at 261.52
How big a move#14,851of 24,799 trading days since 1928
$100 in the index since$2,946price only, to September 24, 2026
Stocks that rose1,856of 6,173; 1,707 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Kerr-McGee (KMG) | +8.3% |
| Goodrich (GR) | +4.6% |
| Olin (OLN) | +4.4% |
Biggest falls among the 500 largest companies
| American Homes 4 Rent (AMH) | -10.9% |
| Oracle (ORCL) | -5.1% |
| CR Bard (BCR) | -4.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 30, 1988 · Every August 31 · September 1, 1988 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.