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

Chesapeake Energy Corporation C (symbol: CHK) was one of the worst losers
of the trading day today (2016-03-23), losing -14.32%. The number of shares
that changed hands was 33,950,901, or about 1 times the average daily
volume in the stock.
The closing price was $4.13, amounting to a market cap of $2,700,000,000,
about -75.68% off the highest price in the last 12 months. The stock has
been trading at a range between $1.5 and $16.98.
CHK is in the Oil & Gas Production industry, part of the Energy sector.