The Rupert family's wealth has jumped over five billion dollars this year, approaching a total of nineteen billion. That massive increase pushes South Africa's richest clan close to breaking into the global top one hundred. The gain is largely thanks to their luxury goods giant, Richemont. Shares for that company, which owns brands like Cartier, have climbed nearly thirty percent on the Johannesburg exchange amid strong jewelry and watch sales.
Other key family investment vehicles, Remgro and Reinet, also posted solid growth. Remgro, with stakes across healthcare and consumer goods, saw its value rise sixteen percent. Reinet, which sold its entire stake in British American Tobacco earlier this year, gained twenty-five percent. That...