We ask what US President Barack Obama can actually do for Africa's economies.
What can the US do to boost trade with the world's fastest growing continental economy?
The latest business and finance news from around the world, on the BBC.
Peter Day talks to Steve Blank, one of the grandees of the start up community.
The state has a role in shaping markets of the future but should it?
As WTO members fail to agree a global trade deal, India's veto is criticised.