At 11am this morning, the Johannesburg Stock Exchange (JSE) paused trade to mark Mandela's death.
The JSE said it was saddened by Mandela's passing and that the pausing of all JSE markets trading was a sign of "deep respect" for the global peace icon.
Mandela, a colossus of 20th century politics, died at his home in Houghton, a suburb of Johannesburg, following protracted illness. He was 95.
The Banking Association of South Africa said few people could convey the aspirations, fears and hopes of South Africans as Mandela could, state-run SA News reported.
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The association also announced that all banks will close their head offices, branches and other premises for business on the day Mandela is laid to rest.
Mandela's body has been moved to the One Military Hospital in Pretoria.