Morning Market Losers

School Specialty SCHS shares dipped 32.54% to $0.71 at 9:50 am. School Specialty's trailing-twelve-month ROE is -76.71%. Mistras Group MG dropped 13.95% to $20.41. Mistras Group reported downbeat Q2 revenue. Apollo Group APOL fell 11.41% to $18.55. Apollo Group lowered its operating profit outlook for 2013. PokerTek PTEK shares lost 8.89% to $1.26. PokerTek regained compliance with the NASDAQ minimum bid price requirement.