LAGOS, Sept 17 : Several Nigerian digital investment platforms suffered outages as retail investors rushed to buy shares in Dangote Petroleum Refinery, highlighting the strain Africa's largest-ever share sale is placing on fintech infrastructure.Regulators and market participants have urged first-time investo

Nigerians have started scrambling to buy a stake in Aliko Dangote's giant oil refinery, with some seeing the country's biggest-ever public share offering as a rare chance to participate in one of Africa's most ambitious industrial projects.