NEW YORK--(BUSINESS WIRE)--TheGrantLawFirm, PLLC (the “GrantFirm”) is investigating a potential securities fraud class action against MasTec, Inc. (“MasTec” or the “Company”) (NYSE:MTZ) and its auditors, on behalf of purchasers during the period between August 12, 2014 and May 11, 2015 (“Class Period”). The investigation focuses on whether the Company violated GAAP by improperly recognizing “certain cost to complete estimates”. On February 26, 2015, MasTec announced its 2014 fourth quarter and
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