NEW YORK ( TheStreet) -- Shares of Community Health Systems (NYSE: CYH) were gapping up Wednesday morning with an open price 11.7% higher than Tuesday's closing price. The stock closed at $20.66 Tuesday and opened today's trading at $23.07. The average volume for Community Health Systems has been 1.8 million shares per day over the past 30 days. Community Health Systems has a market cap of $1.68 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 Tuesday. Community Health Systems, Inc., together with its subsidiaries, provides healthcare services through the operation of hospitals in the United States. The company has a P/E ratio of 6.5, above the average health services industry P/E ratio of six and below the S&P 500 P/E ratio of 17.7. TheStreet Ratings rates Community Health Systems as a hold. The company's strengths can be seen in multiple areas, such as its growth in earnings per share, revenue growth and attractive valuation levels. However, as a counter to these strengths, we also find weaknesses including disappointing return on equity, poor profit margins and weak operating cash flow. You can view the full Community Health 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.