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

Idera Pharmaceuticals, Inc. (symbol: IDRA) was one of the biggest winners
of the trading day today (2015-12-07), gaining 13.68%. The number of shares
that changed hands was 6,983,933, or about 4.8 times the average daily
volume in the stock.
The closing price was $4.32, amounting to a market cap of $511,270,000,
about -21.17% off the highest price in the last 12 months. The stock has
been trading at a range between $2.27 and $5.48.
IDRA is in the Biotechnology: Biological Products (No Diagnostic
Substances) industry, part of the Health Care sector.