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

CVR Energy Inc. (symbol: CVI) was one of the biggest winners of the trading
day today (2016-12-07), gaining 14.33%. The number of shares that changed
hands was 2,419,490, or about 2.8 times the average daily volume in the
stock.
The closing price was $21.14, amounting to a market cap of $1,840,000,000,
about -52.14% off the highest price in the last 12 months. The stock has
been trading at a range between $12.03 and $44.17.
CVI is in the Integrated oil Companies industry, part of the Energy sector.
It first went public in 2007.