Leading wood-alternative decking, railing, and related accessories maker Trex Company Inc (NYSE: TREX) reported second-quarter financial results on July 31, turning in another of the same kind of quarter investors should have become accustomed to over the past few years. Revenue was up 8% to a highest-ever $157.9 million, while earnings increased 22% on a 370 basis point expansion of gross margin to 45.6%.