More on MarkWest Energy (MWE): Q4 beats on revenue but trades down after hours as losses widened...

|About: MarkWest Energy Partners, L.P. (MWE)|By:, SA News Editor

More on MarkWest Energy (MWE): Q4 beats on revenue but trades down after hours as losses widened on higher hedging losses. Revenue actually increased 11% Y/Y, as the company continues to benefit from strong exposure to the booming Marcellus shale-gas region. Shares -4.2% AH.