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. If you spend any time on Twitter and follow any media industry people, you'll often come away dizzy, and fairly certain that every media company is trying to buy every other media company. It started a year ago when AT&T announced it had reached an agreement to buy Time Warner. Then things really turned upside...