The stock market on December 23, 1999
December 23, 1999, a Thursday. The S&P 500 rose 1.55% to close at 1458.34. Of 6,717 US stocks that traded, 3,363 rose and 2,423 fell.
The S&P 500+1.55%closed at 1458.34
How big a move#2,890of 24,799 trading days since 1928
$100 in the index since$528price only, to September 24, 2026
Stocks that rose3,363of 6,717; 2,423 fell
Biggest companyMicrosoftby market value that day
Last day of trading for2stocks
Biggest rises among the 500 largest companies
| Novell (NOVL) | +26.8% |
| Vitria Technology Inc (VITR) | +19.1% |
| Ariba Inc (ARBA) | +15.0% |
Biggest falls among the 500 largest companies
| RealNetworks, Inc. (RNWK) | -12.9% |
| Micron Technology (MU) | -11.1% |
| Comdisco Holding Co Inc (CDCO) | -8.3% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ December 22, 1999 · Every December 23 · December 27, 1999 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.