South Africa isn't exactly the first country that comes to mind for international investing. But the country's exchange traded fund is the second best performer among the major world markets IBD tracks. The iShares MSCI South Africa (EZA) ETF is up 9.5% for the year. It only plays second fiddle to the Nasdaq, which is up 12.5% year to date. South Africa's All-Share index hit a record high Tuesday. The ETF is heavily weighted in financials, which