Morning Market Losers

ZIOPHARM Oncology ZIOP dropped 63.55% to $1.87 on Sarcoma drug failure. Gordmans Stores GMAN shares dipped 14.98% to $12.09. Analysts at Piper Jaffray downgraded Gordmans Stores from “overweight” to “neutral.” Linktone LTON fell 13.42% to $2.58 after the company reported Q4 results. China Sunergy Co CSUN shares lost 9.74% to $1.39. China Sunergy is expected to report its Q4 results on April 12, 2013.