SHAREHOLDER ALERT: Levi & Korsinsky, LLP Announces Class Action Against Questcor Pharmaceuticals, Inc. (QCOR), OCZ … NEW YORK, Oct. 15, 2012 /PRNewswire/ -- Questcor Pharmaceuticals, Inc. Levi & Korsinsky announces that a class action lawsuit has been commenced in the United States District Court for the Central District ... [News Source]