South African gold shares surged on Friday as bullion remained above $4,500 an ounce, extending gains driven by a weaker dollar and changing US rate expectations.

South African gold shares surged on Friday as bullion remained above $4,500 an ounce, extending gains driven by a weaker dollar and changing US rate expectations.

The South African rand strengthened on Friday as gold prices edged higher and remained on course for a third weekly gain, while a weaker US dollar and the US Treasury's bond…