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. AT&T and Time Warner's court victory was the final hurdle to clear before an M&A explosion When AT&T and Time Warner finally received approval for their blockbuster $85 billion merger on Tuesday, everyone involved in the deal rejoiced. After a hard-fought battle with regulators, they were able to enjoy the...