NEW YORK ( TheStreet) -- ArthroCare Corporation (Nasdaq: ARTC) is trading at unusually high volume Wednesday with 575,057 shares changing hands. It is currently at four times its average daily volume and trading up $1.32 (+4.1%) at $33.83 as of 3:20 p.m. ET. ArthroCare has a market cap of $892.8 million and is part of the health care sector and health services industry. Shares are up 4.7% year to date as of the close of trading on Tuesday. ArthroCare Corporation, a medical device company, develops, manufactures, and markets surgical products primarily based on its minimally invasive patented Coblation technology. The company has a P/E ratio of 28.9, below the average health services industry P/E ratio of 29.2 and above the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates ArthroCare as a hold. The company's strengths can be seen in multiple areas, such as its impressive record of earnings per share growth, compelling growth in net income and largely solid financial position with reasonable debt levels by most measures. However, as a counter to these strengths, we find that the stock has experienced relatively poor performance when compared with the S&P 500 during the past year. You can view the full ArthroCare 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.