The stock market on August 12, 1988
August 12, 1988, a Friday. The S&P 500 fell 0.08% to close at 262.55. Of 6,195 US stocks that traded, 1,792 rose and 1,823 fell.
The S&P 500-0.08%closed at 262.55
How big a move#22,590of 24,799 trading days since 1928
$100 in the index since$2,934price only, to September 24, 2026
Stocks that rose1,792of 6,195; 1,823 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for1stock
Biggest rises among the 500 largest companies
| Trans World Airlines | +6.0% |
| Primerica, Inc. (PRI) | +4.7% |
| Navistar International (NAV) | +4.4% |
Biggest falls among the 500 largest companies
| Paccar (PCAR) | -8.8% |
| National Semiconductor (NSM) | -4.9% |
| Genentech Inc (DNA) | -4.7% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 11, 1988 · Every August 12 · August 15, 1988 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.