$CLDX is one of biggest winner #stocks today. read more:

Celldex Therapeutics, Inc. (symbol: CLDX) was one of the biggest winners of
the trading day today (2015-11-20), gaining 11.58%. The number of shares
that changed hands was 6,199,585, or about 3.1 times the average daily
volume in the stock.
The closing price was $16.19, amounting to a market cap of $1,600,000,000,
about -50.67% off the highest price in the last 12 months. The stock has
been trading at a range between $10.11 and $32.82.
CLDX is in the Biotechnology: In Vitro & In Vivo Diagnostic Substances
industry, part of the Health Care sector.