With the dollar heading into what is traditionally its best month of the year, the outlook for South Africa’s rand has taken a turn for the worse. The world’s second-most volatile currency has weakened during August in four of the past five years, for an average decline of 5.3%, according to data compiled by Bloomberg. The dollar, by contrast, has gained on average 0.4% in August against a basket of peers. That spells trouble for the rand. The currency is already in the midst of its longest losing streak since February. According to trading data and technical indicators, that may just be the beginning. Bearish Bets ... (full story)