That psychology changed to Bonds should yield more than stock because of the appreciation potential of the enterprise". One would think that after the wave of bankruptcies over the last three years, the old philosophy will come back,...
Well, holders of Enron, WorldCon, UAL and other bonds sure didn't do too well.
I think stocks took on more value because they provide an inflation hedge not offered by bonds. Now we have TIPS and iBonds which could take some of the value out of stocks.