Shanghai stocks fell 8.5 per cent on Monday. Shenzhen had borne the brunt of the collapse in June, but only fell 7 per cent today. Michael Mackenzie, FT markets editor, analyses the implications of this shift of selling to the main market.<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
