Mr Parker said: “In our view, conventional indices will, over the next five years, significantly underperform value funds and indices built to capture the top quintile or value stocks globally.
"The danger of passive approaches is to focus too much on simple geographic asset allocation and miss these true drivers of outperformance.
"Over the past five years it was picking your equity style correctly - quality growth - that made the real difference. That may well continue to be the case.: