NEW YORK ( TheStreet) -- Trex Company (NYSE: TREX) is trading at unusually high volume Friday with 1.3 million shares changing hands. It is currently at 5.4 times its average daily volume and trading up $1.10 (+3.6%) at $31.24 as of 4:02 p.m. ET. Trex has a market cap of $470.6 million and is part of the industrial goods sector and materials & construction industry. Shares are up 15.5% year to date as of the close of trading on Thursday. Trex Company, Inc. manufactures and distributes wood/plastic composite products, and related accessories primarily for the residential and commercial decking and railing applications in the United States. TheStreet Ratings rates Trex as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, expanding profit margins and increase in stock price during the past year. However, as a counter to these strengths, we also find weaknesses including weak operating cash flow and disappointing return on equity. You can view the full Trex Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.