Third Point LLC’s billionaire founder Daniel Loeb has made Seven & i Holdings Co. his latest target for criticism of management succession planning, warning the Japanese grocery and retail group against letting nepotism determine its next chief executive officer. Seven & i CEO Toshifumi Suzuki, 83, is having chronic health problems and investors fear he may try to name his son, Yasuhiro Suzuki, to lead Seven‐Eleven Japan and eventually become president...