NEW YORK ( TheStreet) -- Tornier B.V (Nasdaq: TRNX) is trading at unusually high volume Wednesday with 418,981 shares changing hands. It is currently at 4.1 times its average daily volume and trading down $2.80 (-11.5%) at $21.63 as of 4 p.m. ET. Tornier B.V has a market cap of $954.3 million and is part of the health care sector and health services industry. Shares are up 35.7% year to date as of the close of trading on Tuesday. Tornier N.V., a medical device company, designs, manufactures, and markets devices for joint replacement and soft tissue repair that enable surgical specialists to enhance patients' lives by restoring motion and physical vitality. TheStreet Ratings rates Tornier B.V as a hold. The company's strengths can be seen in multiple areas, such as its revenue growth, largely solid financial position with reasonable debt levels by most measures and solid stock price performance. However, as a counter to these strengths, we find that the company's profit margins have been poor overall. You can view the full Tornier B.V Ratings Report. See all heavy volume stocks in our stocks moving on unusual volume list or get investment ideas from our investment research center.