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

Chesapeake Energy Corporation (symbol: CHK) was one of the biggest winners
of the trading day today (2015-12-29), gaining 12.53%. The number of shares
that changed hands was 28,218,930, or about 1.3 times the average daily
volume in the stock.
The closing price was $4.58, amounting to a market cap of $3,040,000,000,
about -78.69% off the highest price in the last 12 months. The stock has
been trading at a range between $3.56 and $21.49.
CHK is in the Oil & Gas Production industry, part of the Energy sector.