NEW YORK ( TheStreet) -- Merit Medical Systems (Nasdaq: MMSI) is trading at unusually high volume Friday with 840,310 shares changing hands. It is currently at four times its average daily volume and trading up 59 cents (+2.7%) at $22.40 as of 2:20 p.m. ET. Merit Medical Systems has a market cap of $613.1 million and is part of the health care sector and health services industry. Shares are up 37.8% year to date as of the close of trading on Thursday. Merit Medical Systems, Inc. designs, develops, manufactures, and markets single-use medical products for interventional and diagnostic procedures worldwide. The company's cardiology and radiology products include percutaneous coronary interventions and percutaneous peripheral interventions. The company has a P/E ratio of 49.6, equal to the average health services industry P/E ratio and above the S&P 500 P/E ratio of 16.4. TheStreet Ratings rates Merit Medical Systems as a buy. The company's strengths can be seen in multiple areas, such as its robust revenue growth, good cash flow from operations, expanding profit margins, solid stock price performance and largely solid financial position with reasonable debt levels by most measures. We feel these strengths outweigh the fact that the company has had sub par growth in net income. You can view the full Merit Medical Systems 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.