NEW YORK ( TheStreet) -- Hornbeck Offshore Services (NYSE: HOS) is trading at unusually high volume Thursday with 3.2 million shares changing hands. It is currently at 4.7 times its average daily volume and trading up 70 cents (+2.3%) at $31.10 as of 11:01 a.m. ET. Hornbeck Offshore Services has a market cap of $865.4 million and is part of the basic materials sector and energy industry. Shares are up 45.7% year to date as of the close of trading on Wednesday. Hornbeck Offshore Services, Inc., through its subsidiaries, provides marine services to exploration and production, oilfield service, offshore construction, and the United States military customers. The company operates in two segments, Upstream and Downstream. TheStreet Ratings rates Hornbeck Offshore Services as a hold. The company's strengths can be seen in multiple areas, such as its solid stock price performance and expanding profit margins. However, as a counter to these strengths, we also find weaknesses including feeble growth in the company's earnings per share, deteriorating net income and disappointing return on equity. You can view the full Hornbeck Offshore Services 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.