The stock market on December 20, 1999
December 20, 1999, a Monday. The S&P 500 fell 0.21% to close at 1418.09. Of 6,735 US stocks that traded, 2,519 rose and 3,364 fell.
The S&P 500-0.21%closed at 1418.09
How big a move#18,845of 24,799 trading days since 1928
$100 in the index since$543price only, to September 24, 2026
Stocks that rose2,519of 6,735; 3,364 fell
Biggest companyMicrosoftby market value that day
Last day of trading for5stocks
Biggest rises among the 500 largest companies
| Novellus Systems (NVLS) | +33.3% |
| Lam Research (LRCX) | +18.9% |
| I C G Group Inc (ICGE) | +18.1% |
Biggest falls among the 500 largest companies
| Burlington Northern Santa Fe | -12.6% |
| Monsanto (MTC) | -12.3% |
| Honeywell International (HON) | -11.2% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ December 17, 1999 · Every December 20 · December 21, 1999 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.