Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga May 15, 2014 at 08:09 AM EDT Gentiva Health Services (NASDAQ: GTIV) shares climbed 54.45% to $13.19 in the pre-market trading session after the company received ... Read More >> Related Stocks: Cisco Systems Clovis Oncology Inc Kindred Healthcare, Inc. Common Stock Tower Semiconductor