Impala Platinum Holdings

JOHANNESBURG (Capital Markets in Africa) – Impala Platinum Holdings Ltd., the world’s second-largest producer of the precious metal, plunged in Johannesburg trading after saying it will refinance about $400 million of convertible bonds, which could dilute existing shareholders. The existing bonds had an equity conversion price more than four times higher than yesterday’s closing price of 41.46 rand a share. The new bonds will convert to equity at a much lower level of 30 to…