Underfolio

Every trading day › 2000

The stock market on January 27, 2000

January 27, 2000, a Thursday. The S&P 500 fell 0.39% to close at 1398.56. Of 6,694 US stocks that traded, 2,528 rose and 3,255 fell.

The S&P 500-0.39%closed at 1398.56
How big a move#14,510of 24,799 trading days since 1928
$100 in the index since$551price only, to September 24, 2026
Stocks that rose2,528of 6,694; 3,255 fell
Biggest companyMicrosoftby market value that day
Last day of trading for7stocks

Biggest rises among the 500 largest companies

Infospace.Com (INSP)+19.6%
Conexant Systems Inc (CNXT)+17.8%
Sdl Inc (SDLI)+15.2%

Biggest falls among the 500 largest companies

Plug Power, Inc. (PLUG)-17.5%
Homestore.Com (HOMS)-16.6%
Telephone & Data Systems (TDS)-15.3%

Stock moves count dividends; the index is price only. Market values after 2024 are estimates.

‹ January 26, 2000 · Every January 27 · January 28, 2000 ›

Ask the Lab what came after a day like this

History, not advice. How these numbers are made.