Assured Guaranty Offers Upbeat Outlook By: MarketMinute.com Stock News November 17, 2009 at 13:57 PM EST Assured Guaranty Ltd. (NYSE: AGO) reported a quarterly loss, but operating income was in the black. Management offered an upbeat outlook for its municipal bond insurance business sending the stock price soaring $4.38 to $25.59. Related Stocks: Assured Guaranty Ltd