► Subscribe to FT.com here: http://bit.ly/2r8RJzM<br /><br />As the US stock market gets into its eighth year of gains, and with global markets caught up in a bull market for stocks and other assets, the FT's Dan McCrum says the big question is, what will make markets crash and when will it happen? <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
