TOP RANKED ROSEN LAW FIRM: Reminds Mammoth Energy Services, Inc. Investors of Important Deadline in First Filed Securities Class Action Lawsuit Commenced by the Firm - TUSK

NEW YORK, June 23, 2019 /PRNewswire/ -- Rosen Law Firm, a global investor rights law firm, reminds purchasers of the securities of Mammoth Energy Services, Inc. (NASDAQ: TUSK) from October 19, 2017 through June 5, 2019, inclusive (the "Class Period") of the important August 6, 2019 lead...

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