2. As of noon trading, Aetna ( AET) is up $1.10 (1.98) to $56.65 on average volume Thus far, 1.6 million shares of Aetna exchanged hands as compared to its average daily volume of 3.4 million shares. The stock has ranged in price between $56.40-$57.36 after having opened the day at $57.21 as compared to the previous trading day's close of $55.55. Aetna Inc. operates as a diversified health care benefits company in the United States. The company operates in three segments: Health Care, Group Insurance, and Large Case Pensions. Aetna has a market cap of $18.0 billion and is part of the health services industry. The company has a P/E ratio of 11.4, below the S&P 500 P/E ratio of 17.7. Shares are up 20.0% year to date as of the close of trading on Tuesday. TheStreet Ratings rates Aetna as a buy. The company's strengths can be seen in multiple areas, such as its revenue growth, attractive valuation levels, good cash flow from operations, largely solid financial position with reasonable debt levels by most measures and solid stock price performance. We feel these strengths outweigh the fact that the company has had sub par growth in net income. Get the full Aetna Ratings Report now. Exclusive Offer: Jim Cramer's 'go-to' small/mid-cap guru Bryan Ashenberg only buys stocks he thinks could return 50-100%. See his top picks for 14-days FREE.