Aetna (NYSE: AET) opened at $41.58. So far today, the stock has hit a low of $41.51 and a high of $42.45. AET is now trading at $42.44, up $0.75 (1.80%). Over the last 52 weeks the stock has ranged from a low of $34.00 to a high of $60.00. AET shares are rising today after an analyst at Banc of America Securities initiated coverage on the stock with a Buy ra...(Click the story link or go to http://www.marketintelligencecenter.com for the full story)