Japanese retail giant Seven & i Holdings Co. has closed all eight of its convenience stores in Israel, as the tensions in the Middle East raised risks of continuing business, a source close to the matter said Tuesday.The retailer is the first known Japanese company to conduct a large-scale closure of stores or withdraw from Israel since the latest Israel-Hamas conflict erupted in October last year, according to credit research company Teikoku Databank Ltd.Seven & i opened its first Israeli 7-Eleven store in Tel Aviv with a U.S. group company in January last year, and had planned on expandin…READ FULL ARTICLE