Aetna (AET) was upgraded today by analysts at Banc of America Securities and the stock is now at $41.86, up $0.43 (1.04%) on volume of 1,599,073 shares traded. The brokerage firm lifted its rating on the stock to "Neutral" from "Sell." Over the last 52 weeks the stock has ranged from a low of $34.00 in July to a high of $60.00 in October. Aetna stock has been showing support a...(Click the story link or go to http://www.marketintelligencecenter.com for the full story)