Benzinga's Top #PreMarket Gainers

Baxter International BAX shares gained 12% to $78.50 in the pre-market after the company announced its plans to split itself into two companies. Capstone Turbine CPST shares jumped 7.91% to $2.25 in pre-market trading after dropping 10.90% on Wednesday. Clovis Oncology CLVS surged 6.77% to $82.75 in pre-market trading on positive Phase 1 trial results for NSCLC treatment. Paychex PAYX shares gained 3.39% to $43.34 after the company reported better-than-expected third-quarter results. Paychex posted its quarterly earnings of $0.44 per share on revenue of $636.5 million. However, analysts were projecting earnings of $0.42 per share on revenue of $628.8 million.