► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Volatile Chinese equities and falling commodity prices are contributing to a cautious economic outlook, says James Mackintosh, the FT’s investment editor.<br /><br />► FT Markets: http://bit.ly/1J5HNd3<br /><br />► FT Global Economy: http://bit.ly/1J5mmqH<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes