If you are looking for some cheer in a pretty gloomy world, consider the growing consensus among some of the world’s smartest money that the next big emerging market may be Africa.

The leader of a Tunisian Islamist party that was long outlawed by authorities has returned to his homeland after two decades in exile.

P&O Princess, the cruise group at the centre of a takeover battle, today increased its fleet of ships in a $150m (€154m) deal.