Japanese retail giant Seven & i Holdings said on Tuesday it wanted to see huge growth for its 7-Eleven convenience store chain globally, and would be accelerating its entry into Europe, Latin America, the Middle East and Africa. It is aiming to boost the global number of 7-Eleven stores 18% to about 100,000 by 2030 and for the chain to be in 30 countries and regions, up from 20 now.