Zacks reaffirmed their outperform rating on shares of Itau Unibanco Holding Sociedade Anonima (ADR) (NASDAQ:ITUB) in a report issued on Monday, Analyst Ratings Network.com reports. Zacks has also updated their ratings on a number of other stocks in the last week. The firm downgraded shares of Giant Interactive Group from an outperform rating to a neutral rating. Itau Unibanco Holding Sociedade Anonima (ADR) (NYSE:ITUB) stock … Continue reading Financial Sector Most Active Stocks: Itau Unibanco Holding (NYSE:ITUB), Citigroup Inc (NYSE:C), JPMorgan Chase (NYSE:JPM), Wells Fargo (NYSE:WFC)