► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Bloomberg, which dominates the world of financial data, faces a new challenger in the form of Symphony, a start-up backed by a consortium including Goldman Sachs and BlackRock. The FT’s John Gapper talks to Roger Blitz about the new threat to Bloomberg.<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