What you need to know on Wall Street today

Welcome to Finance Insider, Business Insider's summary of the top stories of the past 24 hours. Sign up here to get the best of Business Insider delivered direct to your inbox. The time has finally come. After more than 12 years at the top of Goldman Sachs, CEO Lloyd Blankfein is set to step down as soon as the end of the year, according to Liz Hoffman and Joann S. Lublin at the Wall Street Journal. His departure would likely lead to a quick appointment for either David...