The stock market on January 21, 2000
January 21, 2000, a Friday. The S&P 500 fell 0.29% to close at 1441.36. Of 6,691 US stocks that traded, 2,782 rose and 3,045 fell.
The S&P 500-0.29%closed at 1441.36
How big a move#16,745of 24,799 trading days since 1928
$100 in the index since$535price only, to September 24, 2026
Stocks that rose2,782of 6,691; 3,045 fell
Biggest companyMicrosoftby market value that day
Last day of trading for3stocks
Biggest rises among the 500 largest companies
| Verticalnet Inc (VERT) | +30.2% |
| Juniper Networks (JNPR) | +28.2% |
| Plug Power, Inc. (PLUG) | +28.1% |
Biggest falls among the 500 largest companies
| S1 Corp (SONE) | -12.0% |
| Atmel Corp (ATML) | -11.3% |
| Novellus Systems (NVLS) | -9.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ January 20, 2000 · Every January 21 · January 24, 2000 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.