Hold 'em or fold 'em? Wall Street investors need to know what the world financial markets are doing 24x7. To help bulls, bears and brokers on the go, Thomson Reuters on Monday launched News Pro, a free app for the RIM BlackBerry and Apple iPhone that provides realtime stock market data. Multimedia content includes customized business news, photos, regional market data, company data and personalized stock tabs. The apps also provide offline browsing.