The stock market on August 23, 1999
August 23, 1999, a Monday. The S&P 500 rose 1.77% to close at 1360.22. Of 6,801 US stocks that traded, 3,158 rose and 2,576 fell.
The S&P 500+1.77%closed at 1360.22
How big a move#2,182of 24,799 trading days since 1928
$100 in the index since$566price only, to September 24, 2026
Stocks that rose3,158of 6,801; 2,576 fell
Biggest companyMicrosoftby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Extreme Networks, Inc. (EXTR) | +30.3% |
| Phone.Com Inc (PHCM) | +24.5% |
| Redback Networks Inc (RBAK) | +20.8% |
Biggest falls among the 500 largest companies
| Red Hat Inc. (RHAT) | -6.2% |
| Progress Energy (CPL) | -5.9% |
| Quintiles Transnational Corp | -4.5% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ August 20, 1999 · Every August 23 · August 24, 1999 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.