NEW YORK ( TheStreet) -- Greenbrier Companies (NYSE: GBX) is trading at unusually high volume Friday with 2.1 million shares changing hands. It is currently at 4.1 times its average daily volume and trading up $2.19 (+9.2%) at $26.08 as of 3:46 p.m. ET. Greenbrier Companies has a market cap of $625.6 million and is part of the services sector and transportation industry. Shares are down 1.6% year to date as of the close of trading on Thursday. The Greenbrier Companies, Inc. engages in the design, manufacture, and marketing of railroad freight car equipment in North America and Europe. The company has a P/E ratio of 97.8, equal to the average transportation industry P/E ratio and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Greenbrier Companies as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth, impressive record of earnings per share growth and compelling growth in net income. However, as a counter to these strengths, we also find weaknesses including generally poor debt management, poor profit margins and a generally disappointing performance in the stock itself. You can view the full Greenbrier Companies Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center. Interested in other stocks that are rising on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVUP to 95370 or select from multiple alert options.