$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 (2016-01-04), gaining 10.0%. The number of shares
that changed hands was 38,428,376, or about 1.8 times the average daily
volume in the stock.
The closing price was $4.95, amounting to a market cap of $3,280,000,000,
about -76.97% 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.