Dollar rally keeps pressure on South Africa's rand

South Africa's rand extended losses against the dollar on Thursday, having fallen as much as one percent in the previous session after U.S. Federal Reserve chair Janet Yellen said a rate rise in 2015 remained likely. The dollar index was up 0.2 percent in early trade. With no local data due, attention turned to next week's interest rate decision by the South African Reserve Bank (SARB), which has kept lending rates unchanged since July 2014, but looks likely to lift them as the economy