Shares are down... with the tech giant Nvidia slumping almost 10%... is that because of fears about the US economy... or does it reveal wider concerns about artificial intelligence?And fifty African leaders are in Beijing, looking for investment and tourism in exchange for access to minerals. We speak to DRC’s minister of communications about what delegates may be looking for from China.And the German town worrying what will happen if VW closes the car plant their town depends on.