Africa's richest man, Aliko Dangote, is launching the continent's largest-ever IPO for his Lagos oil refinery, even as the project — and a second refinery planned in Kenya — will require billions more in future funding. Duncan Miriri reports ▻ ↧ From schoolyard sweets trader to Africa's richest man, Dangote eyes... More than half a century after launching his business career selling candy to classmates in northern Nigeria, serial entrepreneur Aliko Dangote is preparing the biggest stock market listing ​Africa has ever seen.