South Africa's rand weakens, stocks set to open higher

South Africa's rand weakened early on Friday after President Jacob Zuma raised an issue regarding the wealth distribution in an economy that is still controlled mostly by whites for more than two decades after the apartheid ended in 1994. * In his annual state of the nation address on Thursday,which was marred by chaos as far-left lawmakers brawled withorderlies and the main opposition party walked out, Zuma saidhis government was starting a new chapter of radicalsocio-economic transformation. *