ATTENTION: Investors Who Hold NYSE:MX Shares Since 2011: Investigation over Potential Wrongdoing at Magnachip Semiconductor Corp

San Diego, CA -- (ReleaseWire) -- 03/16/2015 -- An investigation on behalf of investors who currently hold shares of Magnachip Semiconductor Corp (NYSE:MX) long-term was announced concerning potential wrongdoing by certain officers and directors at Magnachip Semiconductor.