The stock market on September 23, 1999
September 23, 1999, a Thursday. The S&P 500 fell 2.30% to close at 1280.41. Of 6,752 US stocks that traded, 1,727 rose and 4,006 fell.
The S&P 500-2.30%closed at 1280.41
How big a move#1,239of 24,799 trading days since 1928
$100 in the index since$602price only, to September 24, 2026
Stocks that rose1,727of 6,752; 4,006 fell
Biggest companyMicrosoftby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Yum Brands (YUM) | +13.1% |
| Starbucks (SBUX) | +9.5% |
| Comverse Technology (CMVT) | +6.3% |
Biggest falls among the 500 largest companies
| Georgia-Pacific (GP) | -13.0% |
| PMC-Sierra, Inc. (PMCS) | -11.2% |
| Portal Software Inc (PRSF.) | -11.0% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ September 22, 1999 · Every September 23 · September 24, 1999 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.