Morning Market Losers

E-House (China) Holdings EJ plummeted 9.11% to $12.67. JetPay's trailing-twelve-month ROE is 2.01%. Alphatec Holdings ATEC dropped 9% to $1.3650. OrthoTec obtained a $73 million fraud verdict against ATEC subsidiary Surgiview. Cogent Communications Group CCOI dropped 8.77% to $36.70 after FBR Capital downgraded the stock from Market Perform to Underperform. Armstrong World Industries AWI dropped 5.23% to $56.17 after the company reported downbeat Q4 earnings.