South African billionaire Patrice Motsepe tightening control of Alexander Forbes

• Patrice Motsepe's firm to raise stake in Alexander Forbes to 77.94% through deal with Prudential Financial.
• Prudential Financial Inc. will exit its investment in Alexander Forbes, while Motsepe's African Rainbow Capital plans to increase exposure to the financial services sector.
• Alexander Forbes shares jump 6.5% after deal announcement, with the company's market value reaching R9.4 billion ($580 million).