Weatherford International (NYSE: WFT) opened at $16.77. So far today, the stock has hit a low of $16.00 and a high of $17.56. WFT is now trading at $16.71, down $0.25 (-1.47%). Over the last 52 weeks the stock has ranged from a low of $11.40 to a high of $49.98. A Citigroup analyst upgraded WFT to "Buy" from "Hold" today, but shares of the stock are trading lo...(Click the story link or go to http://www.marketintelligencecenter.com for the full story)