(Bloomberg) -- Seven & i Holdings Co. is considering a listing of Ito-Yokado, the historic supermarket retail core of the company, and eventually split it off from the more profitable and faster-growing 7-Eleven franchise to focus its efforts on making convenience stores a global business.Most Read from BloombergUS Slams Strikes on Russia Oil Refineries as Risk to Oil MarketsBond Trader Places Record Futures Bet on Eve of Inflation DataIran’s Better, Stealthier Drones Are Remaking Global Warfare