Deputy Chairman Thomson Reuters Niall FitzGerald (L), Chief Executive Officer Devin Wenig of Markets Division Thomson Reuters (C) and Chief Executive Officer London Stock Exchange Clara Furse open 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)