A closely scrutinised volatility index closed at its highest level since the immediate aftermath of the Brexit vote, US capital markets correspondent Eric Platt reports. While stocks finished little changed, a drop in crude prices knocked energy stocks<br /><br />► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<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
