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

C&J Energy Services, Ltd. Commo (symbol: CJES) was one of the worst losers
of the trading day today (2015-12-08), losing -10.76%. The number of shares
that changed hands was 2,904,526, or about 1 times the average daily volume
in the stock.
The closing price was $4.56, amounting to a market cap of $533,800,000,
about -75.28% off the highest price in the last 12 months. The stock has
been trading at a range between $2.97 and $18.45.
CJES is in the Oilfield Services/Equipment industry, part of the Energy
sector. It first went public in 2015.