Here's Why Shares Of Kraton Performance Polymers Gained 10% By: Benzinga via Benzinga February 03, 2016 at 11:49 AM EST Shares of Kraton Performance Polymers Inc (NYSE: KRA), a producer of styrenic block copolymers and other engineered polymers, surged ... Read More >> Related Stocks: Kraton Performance Polymers Inc Polished.com Inc.