The world’s five richest men have more than doubled their fortunes to $869bn (£681.5bn) since 2020, while the world’s poorest 60% – almost 5 billion people – have lost money.The details come in a report by Oxfam as the world’s richest people gather from Monday in Davos, Switzerland, for the annual World Economic Forum meeting of political leaders, corporate executives and the super-rich.The yawning gap between rich and poor is likely to increase, the report says, and will lead to the world crown...