Also . . .

Nashville-based Columbia-HCA Healthcare Corp. said founder Richard Scott will step down as president but retain his positions as chairman and chief executive. Chief Operating Officer David T. Vandewater will succeed him. . . . MasterCard International Inc. said it will buy 51% of London-based Mondex International Ltd., a move that would give the electronic cash card company an international distribution network. . . . Goodyear Tire & Rubber Co. said it has agreed to acquire 60% of South African tire manufacturing company Contred Ltd. for $121 million.