The Federal Trade Commission sued PepsiCo on Friday for offering preferential pricing to a large retailer, whom a source familiar with the matter confirmed was Walmart.The practices fed high consumer prices by placing at a disadvantage other retailers, from large grocery chains to independent convenience stores, the FTC said.“PepsiCo strongly disputes the FTC’s allegations, and the partisan manner in which the suit was filed,” the company said in a statement.PepsiCo said it strongly disputed the FTC’s alleg ...