$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 (2016-02-03), gaining 12.37%. The number of shares
that changed hands was 27,581,245, or about 1.1 times the average daily
volume in the stock.
The closing price was $3.36, amounting to a market cap of $2,230,000,000,
about -84.22% off the highest price in the last 12 months. The stock has
been trading at a range between $2.69 and $21.29.
CHK is in the Oil & Gas Production industry, part of the Energy sector.