We need someone with experience <a href=" http://lesterhospitality.com/social-studies-homework-help/ ">writing research essays</a> Facebook isn&#8217;t a fundamentally different company than it was a week ago, when it was trading at $26 a share. But since then it managed to surprise Wall Street with its second-quarter earnings report, with sales up 53% to $1.8 billion and mobile-ad sales also surging to comprise 41% of its business. The report caused many analysts to rethink their financial model—and punished those who bet on a decline.