Bharti Airtel’s Africa unit plunged in London trading after raising about $750-million in an initial public offering, making it among the worst debuts on European exchanges this year.

Discovery Bank will start accepting new clients from Monday, three months later than it had anticipated when it unveiled its banking proposition in November.

Presidents and other world leaders and political figures who use Twitter to threaten or abuse others could find their tweets slapped with warning labels.

Tiso Blackstar, the owner of various media assets including the Sunday Times, Business Day and the Financial Mail, is selling the rump of its business to Lebashe Investment Group for over R1-billion.

This week’s jump in bitcoin prices revived themes well known to the digital currency that inflated then burst less than two years ago. Among them: enormous volatility and exchange overloads.

South Africa’s economy remains stuck in its longest downward cycle since 1945, adding to the risk that it may fall into its second recession in a year.