► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />BHP Billiton has spun off its non-core mines to South32, but hung on to its copper. Lex's Oliver Ralph and Alan Livsey discuss why BHP has stuck with copper when it has been sluggish of late.<br /><br />► FT Business: http://bit.ly/1KUK08s<br /><br />► FT World News: http://bit.ly/1Exp0iJ<br /><br />► Miners to Blame for Iron Ore Drop: http://bit.ly/1fxaYcs<br /><br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes