Benzinga's Top Pre-Market Gainers

Power-One

soared 55.94% to $6.30 in the pre-market trading after ABB

announced its plans to buy Power-One for around $1.03 billion. Harris

shares gained 6% to $44.50 in the pre-market session. Harris has a dividend yield of 3.50%. Harmonic

moved up 4.90% to $5.78 in the pre-market session after the company announced its intent to repurchase up to $100 m of its common stock through a modified 'dutch auction' tender offer. Halliburton Co

surged 4.84% to $39.01 in the pre-market session after the company posted higher Q1 revenue.