NEW YORK ( TheStreet) -- MarkWest Energy Partners (NYSE: MWE) hit a new 52-week high Tuesday as it traded at $46.30 compared with its previous 52-Week high of $46.19. MarkWest Energy is changing hands at $46.27 with 7,665 shares traded as of 9:33 a.m. ET. Average volume has been 303,700 shares over the past 30 days. MarkWest Energy has a market cap of $3.4 billion and is part of the basic materials sector and energy industry. Shares are up 6.2% year to date as of the close of trading on Monday. MarkWest Energy Partners, L.P., together with its subsidiaries, engages in the gathering, processing, and transportation of natural gas in the United States. The company also transports, fractionates, storages, and markets natural gas liquids; and gathers and transports crude oil.
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