By Peter Switzer, Switzer Super Report

At a time when luminaries, such as the Future Fund's ex-chairman David Murray and ex-Treasury boss Ken Henry, have warned Aussie investors and super funds about holding too many shares, the question is, is this a good sign that we should be buying?

To buy or not to buy?

Don't get me wrong, but I reckon Ken was one of the brightest Treasury Secretaries and you would be a mental lightweight to ignore the ex-Commonwealth Bank chief executive, Murray. He, in 2008 before Lehman Brothers collapsed, argued convincingly at a dinner party that fixed income was the smartest strategy at the time. He was proven right.

He also revealed on my