The stock market on August 23, 1989
August 23, 1989, a Wednesday. The S&P 500 rose 1.03% to close at 344.70. Of 5,928 US stocks that traded, 2,283 rose and 1,326 fell.
The S&P 500+1.03%closed at 344.70
How big a move#5,796of 24,799 trading days since 1928
$100 in the index since$2,235price only, to September 24, 2026
Stocks that rose2,283of 5,928; 1,326 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for5stocks
Biggest rises among the 500 largest companies
| Holiday Corp. (HIA) | +11.4% |
| Genentech Inc (DNA) | +10.0% |
| Mallinckrodt (MKG) | +9.9% |
Biggest falls among the 500 largest companies
| Turner Broadcasting (TBS.B) | -3.9% |
| Aflac (AFL) | -3.4% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 22, 1989 · Every August 23 · August 24, 1989 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.