South Africa's rand, bonds extend gains as U.S. economy stutters

South Africa's rand extended gains on Thursday as the dollar slipped, hit by growing concerns over the U.S. economy. "The U.S. data confounded expectations of a strong increase and brought into question whether the weakness in the U.S. economy in 1Q15 was truly just weather related or something more structural," said John Cairns of RMB in a market note. Government bonds also firmed as interest in domestic fixed income returned after a sell-off earlier in the week. "A lot of o