Benzinga's Top Pre-Market Losers

Abbott Laboratories

ABT

dropped 50.69% to $32.30 in the pre-market session. Abbott completed the separation of its research-based pharmaceuticals business. Skullcandy

SKUL

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fell 0.90% to $7.72 in the pre-market session. Skullcandy's trailing-twelve-month profit margin is 9.55%. GT Advanced Technologies

GTAT

declined 0.44% to $3.0168 in the pre-market trading. GT Advanced Technologies shares have dropped 59.87% over the past 52 weeks, while the S&P 500 index has gained 11.68% in the same period. Bebe Stores

BEBE

moved down 0.36% to $3.9858 in the pre-market session. Bebe's trailing-twelve-month ROE is 1.90%.