NEW YORK ( TheStreet) -- Greatbatch (NYSE: GB) is trading at unusually high volume Thursday with 834,754 shares changing hands. It is currently at 5.4 times its average daily volume and trading down 86 cents (-4%) at $20.86 as of three p.m. ET. Greatbatch has a market cap of $489.3 million and is part of the health care sector and health services industry. Shares are down 13.5% year to date as of the close of trading on Wednesday. Greatbatch, Inc. provides technology solutions for medical and industrial applications. The company operates in two segments, Greatbatch Medical and Electrochem Solutions. The company has a P/E ratio of 12.4, equal to the average health services industry P/E ratio and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Greatbatch as a hold. The company's strengths can be seen in multiple areas, such as its growth in earnings per share, revenue growth and reasonable valuation levels. However, as a counter to these strengths, we also find weaknesses including weak operating cash flow and a generally disappointing performance in the stock itself. You can view the full Greatbatch 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.