Fiserv (NASDAQ: FISV ) shares gained 0.15% to create a new 52-week high of $77.80. Fiserv's PEG ratio is 1.27. Cass Information Systems (NASDAQ: CASS ) shares jumped 0.39% to create a new 52-week high of $43.57. Cass' trailing-twelve-month operating margin is 30.05%. FedFirst Financial (NASDAQ: FFCO ) shares