The stock market on September 23, 1988
September 23, 1988, a Friday. The S&P 500 rose 0.22% to close at 269.76. Of 6,154 US stocks that traded, 1,926 rose and 1,721 fell.
The S&P 500+0.22%closed at 269.76
How big a move#18,615of 24,799 trading days since 1928
$100 in the index since$2,856price only, to September 24, 2026
Stocks that rose1,926of 6,154; 1,721 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Phelps Dodge (PD) | +5.1% |
| Asarco Inc (AR) | +4.9% |
| Archer Daniels Midland (ADM) | +4.5% |
Biggest falls among the 500 largest companies
| Baxter International (BAX) | -8.2% |
| Tele-Comm Tci Group -ser A (TCOMA) | -3.0% |
| Premier Industrial Cp (PRE) | -3.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 22, 1988 · Every September 23 · September 26, 1988 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.