NEW YORK ( TheStreet) -- Orion Marine Group (NYSE: ORN) is trading at unusually high volume Thursday with 1.2 million shares changing hands. It is currently at four times its average daily volume and trading down 75 cents (-7.2%) at $9.65 as of 3:12 p.m. ET. Orion Marine Group has a market cap of $278.4 million and is part of the industrial goods sector and materials & construction industry. Shares are down 10.3% year to date as of the close of trading on Wednesday. Orion Marine Group, Inc. operates as a marine specialty contractor serving the heavy civil marine infrastructure market. The company has a P/E ratio of 12.7, equal to the average materials & construction industry P/E ratio and below the S&P 500 P/E ratio of 17. TheStreet Ratings rates Orion Marine Group as a hold. The company's strengths can be seen in multiple areas, such as its robust revenue growth and largely solid financial position with reasonable debt levels by most measures. However, as a counter to these strengths, we also find weaknesses including feeble growth in the company's earnings per share, unimpressive growth in net income and disappointing return on equity. You can view the full Orion Marine Group 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 falling on unusually high volume? Get free SMS text alerts sent to you when the action happens by texting HVDOWN to 95370 or select from multiple alert options.