Wall Street's love affair with Facebook hinges on mobile

By Alexei Oreskovic SAN FRANCISCO (Reuters) - Facebook Inc finally earned Wall Street's love in the second quarter. Now it needs to make the relationship last. Its shares have doubled in just the last three months, buoyed by an increasing belief among investors that Facebook has finally struck a winning formula in mobile advertising. But expectations will be high when the world's No. 1 online social network reports third-quarter results on Wednesday, meaning the world's largest social network will have to handily beat Wall Street targets to maintain its lofty trajectory. ...

via Tech News Headlines - Yahoo! News http://news.yahoo.com/wall-streets-love-affair-facebook-hinges-mobile-174000719--sector.html