Walmart (WMT) opened at a new all-time high this morning after investors rallied behind an impressive earnings report. Shares of Chubb Ltd (CB) also rose to a new all-time high after news that Warren Buffett’s Berkshire Hathaway had acquired nearly 26M shares of the insurance and holding company. Applied Materials (AMAT) closed out the day down, then after markets closed, reported earnings and revenue that beat analysts’ estimates. Tune in to find out more about the stock market today.