Owners of MarkWest Energy Partners (NYSE: MWE) shares as of market close today will be eligible for a dividend of 86 cents per share. At a price of $70.35 as of 9:35 a.m. ET, the dividend yield is 4.9%. The average volume for MarkWest Energy Partners has been 868,300 shares per day over the past 30 days. MarkWest Energy Partners has a market cap of $10.5 billion and is part of the energy industry. Shares are up 6.1% year-to-date as of the close of trading on Friday. STOCKS TO BUY: TheStreet Quant Ratings has identified a handful of stocks that can potentially TRIPLE in the next 12 months. Learn more. Markwest Energy Partners, L.P., together with its subsidiaries, engages in the gathering, processing, and transportation of natural gas the United States. The company has a P/E ratio of 142.16. TheStreet Ratings rates MarkWest Energy Partners as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, good cash flow from operations and solid stock price performance. However, as a counter to these strengths, we also find weaknesses including deteriorating net income, disappointing return on equity and poor profit margins. You can view the full MarkWest Energy Partners Ratings Report now.