Comfort Systems USA, Inc.'s (FIX) shares have surged 56.1% in the year-to-date period, outperforming the Zacks Building Products - Air Conditioner and Heating industry's 17.7% growth. The share price trend can be compared with a few similar companies including Watsco, Inc. (WSO) , AAON, Inc. (AAON) , and EMCOR Group, Inc. (EME) , whose shares gained 8.9%, 14.3%, and 75.7%, respectively. Image Source: Zacks Investment Research Despite consistent investment activities and increased expense scenario, FIX focus ...