NEW YORK ( TheStreet) -- Shares of American Medical Systems Holdings (Nasdaq: AMMD) were gapping up Monday morning with an open price 32.1% higher than Friday's closing price. The stock closed at $22.33 Friday and opened today's trading at $29.50. The average volume for American Medical Systems has been 952,600 shares per day over the past 30 days. American Medical Systems has a market cap of $1.7 billion and is part of the health care sector and health services industry. Shares are up 18.4% year to date as of the close of trading on Friday. American Medical Systems Holdings, Inc. engages in developing, manufacturing, selling, and marketing medical devices to physicians treating men's and women's pelvic health conditions worldwide. The company has a P/E ratio of 19.8, equal to the average health services industry P/E ratio and above the S&P 500 P/E ratio of 16.8. TheStreet Ratings rates American Medical Systems as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, solid stock price performance, attractive valuation levels, good cash flow from operations and expanding profit margins. We feel these strengths outweigh the fact that the company has had somewhat disappointing return on equity. You can view the full American Medical Systems Ratings Report. Get more investment ideas from our investment research center. Interested in other stocks that are gapping up? Get free SMS text alerts sent to you when the action happens by texting UP to 95370 or select from multiple alert options.