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

C&J Energy Services, Ltd. (symbol: CJES) was one of the biggest winners of
the trading day today (2015-10-06), gaining 23.28%. The number of shares
that changed hands was 4,685,517, or about 1.6 times the average daily
volume in the stock.
The closing price was $5.03, amounting to a market cap of $588,530,000,
about -81.13% off the highest price in the last 12 months. The stock has
been trading at a range between $2.97 and $26.65.
CJES is in the Oilfield Services/Equipment industry, part of the Energy
sector. It first went public in 2015.