NEW YORK--(BUSINESS WIRE)--The law firm of Kirby McInerney LLP reminds investors its investigation on behalf of Trex Company, Inc. ("Trex†or the "Company†) (NYSE:TREX) investors concerning the Company's and/or members of its senior management's possible violation of the federal securities laws or other unlawful business practices. [LEARN MORE ABOUT THE INVESTIGATION] [LEARN MORE ABOUT SECURITIES CLASS ACTIONS] Kirby McInerney LLP is a New York-based plaintiffs' law firm concentrating in securities, antitr ...