► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Shares in London Stock Exchange soared to an all-time high after the group issued an optimistic trading update. Lex’s Robert Armstrong and Oliver Ralph evaluate LSE’s business and discuss whether it is a good time to own shares in stock exchanges.<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
