► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Fears over global growth have seen markets slide this week, with investors fleeing to assets like German bunds and US Treasuries. Ralph Atkins, capital markets editor, tells the FT's Daniel Garrahan what is behind the volatility and what happens next.<br /><br /><br />The latest global markets overview <br />http://www.ft.com/markets<br /><br />Click here for more FT Markets videos<br />http://video.ft.com/Ft-Markets<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