SHAREHOLDER ALERT: Pomerantz Law Firm Reminds Shareholders of Longwei Petroleum Investment Holding Ltd. of Upcoming …
NEW YORK -- Pomerantz Grossman Hufford Dahlstrom & Gross LLP has filed a class action lawsuit against Longwei Petroleum Investment Holding Ltd. ("Longwei" or the "Company")(NYSE Amex:LPH) ...
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