► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Momentum in risk markets has had one of its most abrupt reversals in years. John Authers suggests it is still too soon to say whether this is a genuine turning point, or a "dead cat bounce" from an extreme position.<br /><br />Filmed by Donell Newkirk. Edited by Paolo Pascual.<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