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

Kosmos Energy Ltd. Common Share (symbol: KOS) was one of the worst losers
of the trading day today (2016-11-29), losing -8.5%. The number of shares
that changed hands was 2,574,793, or about 2 times the average daily volume
in the stock.
The closing price was $4.63, amounting to a market cap of $1,790,000,000,
about -35.43% off the highest price in the last 12 months. The stock has
been trading at a range between $3.17 and $7.17.
KOS is in the Oil & Gas Production industry, part of the Energy sector. It
first went public in 2011.