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

Kosmos Energy Ltd. (symbol: KOS) was one of the biggest winners of the
trading day today (2016-02-22), gaining 15.68%. The number of shares that
changed hands was 2,416,500, or about 1.2 times the average daily volume in
the stock.
The closing price was $4.5, amounting to a market cap of $1,730,000,000,
about -55.13% off the highest price in the last 12 months. The stock has
been trading at a range between $3.17 and $10.03.
KOS is in the Oil & Gas Production industry, part of the Energy sector. It
first went public in 2011.
Looking at its valuation, the stock is now trading at 54.88 times earnings.