EQUITY ALERT: Rosen Law Firm Announces Filing of Securities Class Action Lawsuit Against OSI Systems, Inc. – OSIS
NEW YORK, Dec. 22, 2017 (GLOBE NEWSWIRE) -- Rosen Law Firm, a global investor rights law firm, announces the filing of a class action lawsuit on behalf of purchasers of the securities of OSI Systems, Inc. (NASDAQ:OSIS) from August 21, 2013 through December …