Market Wrap: Cobham's shares drop after fifth profit warning in less than two years

Share Radio's Simon Rose brings you Market Wrap, a roundup of what's been happening in the businesses of Britain and the world. To help put the day's events in context, Simon was joined by Share Radio's Senior Analyst Ed Bowsher. On today's show: Snap, the owner of the messaging app Snapchat, has set its valuation as high as $22.2bn ahead of imminent stock market listing; aerospace and defence firm Cobham's 5th profit warning in less than two years; electrical power generation company Drax's full year results and more.