The FT's US markets editor Michael Mackenzie and US markets correspondent Tracy Alloway discuss whether volatility has returned and if the recent selldown of junk bonds signals the onset of broader market turmoil.<br /><br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Subscribe to the Financial Times on YouTube; http://goo.gl/vUQx5k<br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
