Morning Market Losers

Prima Biomed

dropped 38.17% to $1.45 after the company reported top-line analysis of CVac Phase 2 trial. Tower Group International

plummeted 24.31% to $10.49. Tower Group announced its plans to release its Q2 results during the week of October 7, 2013. FBR Capital downgraded the stock from Outperform to Market Perform. DragonWave

dropped 17% to $2.05 after the company priced US$25 million public offering of units. SmartPros

dropped 11.82% to $1.79. SmartPros' trailing-twelve-month ROE is -16.31%.