South Africa's rand firmed slightly on Thursday after four days of losses as the dollar benefited from Donald Trump's U.S. election win. At 1519 GMT, the rand traded at 18.2275 against the dollar, about 0.

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Currency fluctuations can be sudden and unpredictable, and that’s particularly true for emerging market currencies such as the rand

The South African rand was slightly weaker in early trade on Friday, tracking the dollar which was back on the front foot.

The South African rand saw big swings last week, driven by Donald Trump’s re-election and eased tensions in the Middle East and Ukraine, but closed nearly unchanged at R17.52 to the dollar.