Morning Market Losers

Allot Communications

shares dipped 22.48% to $14.17 at 10:07 am. Allot Communications' trailing-twelve-month ROA is 4.48%. Ampal-American Israel

shares lost 19.45% to $2.36. Ampal-American Israel's trailing-twelve-month profit margin is -50.86%. Mellanox Technologies

dropped 17.73% to $50.34. Mellanox lowered its fourth-quarter revenue forecast. PokerTek

fell 13.58% to $1.40. PokerTek shares have jumped 105.06% over the past 52 weeks, while the S&P 500 index has gained 14.16% in the same period.