Prepare for market turmoil in South Africa after a major political fracas. The South African rand immediately tumbled by about 3% against the dollar. He first served as finance minister between 2009 and 2014, and returned to the job in December 2015, much to the relief of international investors. More than 80 CEOs wrote an open letter in support of the finance minister. --CNN's Eleni Giokos and David McKenzie in Johannesburg, South Africa, contributed to this report.

Source: CNN March 27, 2017 15:22 UTC