$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 (2016-05-03), losing -11.99%. The number of shares
that changed hands was 40,044,118, or about 1 times the average daily
volume in the stock.
The closing price was $5.8, amounting to a market cap of $3,790,000,000,
about -65.27% off the highest price in the last 12 months. The stock has
been trading at a range between $1.5 and $16.7.
CHK is in the Oil & Gas Production industry, part of the Energy sector.