Investment Conundrums: Sarasin's Monson on 'blue sky ahead but possibility of short-sharp storms in between'

Shocks could be caused by end of QE, global debt or populism

Strong prospects for investors over the mid-term are under threat from the possibility of a "short, sharp shock" in global markets, similar to that seen in 1987, according to CIO of Sarasin and Partners Guy Monson.