Safirstein Metcalf LLP Announces That a Class Action Lawsuit Has Been Filed Against Horsehead Holding Corp. – ZINCQ ZINC
NEW YORK, April 26, 2016 (GLOBE NEWSWIRE) -- Safirstein Metcalf LLP announces a class action has been filed on behalf of purchasers of Horsehead Holding Corp. securities (NASDAQ:ZINCQ) (NASDAQ:ZINC) from May 21, 2014 through February 2, 2016, both dates …