South African billionaire Johan Rupert has reclaimed his position as Africa’s richest man, overtaking Nigerian industrialist Aliko Dangote. According to the Bloomberg Billionaires Index, Rupert’s net worth now stands at $14.3 billion, surpassing Dangote’s $13.4 billion. Rupert, the chairman of Richemont, a global luxury goods conglomerate, has gained $1.87 billion this year, while Dangote has