S.Africa's rand hits record lows against dollar, sterling

South Africa's rand pushed to fresh 14-year lows against the dollar on Friday, and was at its weakest ever against the pound, hit by worries about the local economy and prospects of imminent U.S. policy tightening. The threat of wage strikes in the gold sector had brought back to the fore investors' concerns about Africa's most developed but ailing economy, which is grappling with its worst electricity crisis since 2008, analysts said. The rand stumbled to a session low of 12.8895