CFOs do not seem to be waiting for growth to slow before adjusting direction. There has been a marked shift to more defensive balance sheet strategies in the wake of the referendum. Ian Stewart More Quotes by Ian Stewart More Quotes From Ian Stewart Perceptions of uncertainty have soared to levels last associated with the euro crisis five years ago, the spike in uncertainty has had a toxic effect on business sentiment, with optimism dropping to the lowest level since our survey started in 2007 -- lower, even, than in the wake of the failure of Lehman in late 2008. Ian Stewart business