Shares in iconic British retailer Burberry have risen sharply since the UK voted to leave the EU, with help from a change at the top. Robert Armstrong, head of Lex, explains why.<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes