Mealey's (June 18, 2015, 10:20 AM EDT) -- PHOENIX — A federal judge in Arizona who earlier dismissed a shareholder class action against a hydraulic fracturing company on March 12 granted the class permission to amend the complaint to include claims against two of the company’s principals related to a specific contract the class contends was part of an illicit bill-padding scheme that artificially boosted the fracking company’s earnings (In Re: Nuverra Environmental Solutions Inc. Securities Litigation, No. 13-01800, D. Ariz.)....