Deputy Chairman Thomson Reuters Niall FitzGerald (R) and Chief Executive Officer Devin Wenig of Markets Division Thomson Reuters laugh after opening the market at the London Stock Exchange in central London April 17, 2008. Thomson Reuters Corp debuted on Thursday as a top global information company, hoping a portfolio of products from financial to legal and health-care will help it ride out a financial industry downturn. REUTERS/Dylan Martinez (BRITAIN)