The energy industry closed the day up 2.8%. Energy Services of America Corporation ( ESA), Andatee China Marine Fuel Services Corporat ( AMCF), Saratoga Resources Inc ( SROE), and Saratoga Resources Inc ( SARA) were all decliners today within the energy industry with Penn West Petroleum ( PWE) being today's featured energy loser. Penn West Petroleum fell 9 cents (-0.6%) to $15.51 on heavy volume. Throughout the day, 4.1 million shares of Penn West Petroleum exchanged hands as compared to its average daily volume of 2.4 million shares. Penn West Petroleum Ltd. engages in acquiring, exploring, developing, exploiting, and holding interests in petroleum and natural gas properties and related assets in North America. The company produces light and medium crude oil, natural gas liquids, heavy oil, and natural gas. Penn West Petroleum has a market cap of $7.7 billion and is part of the basic materials sector. Shares are down 34.8% year to date as of the close of trading on Monday. TheStreet Ratings rates Penn West as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, expanding profit margins and impressive record of earnings per share growth. However, as a counter to these strengths, we also find weaknesses including a generally disappointing performance in the stock itself and generally poor debt management.