The financial wealth that has been created is unprecedented. Even if the stock market, for argument's sake, leveled off here, there's been so much wealth built up that we really can feel spending for some time.
Institutions of the newer participants in global finance had not been tested, until recently...recent crisis have underscored certain financial structure vulnerabilities that are not readily assuaged in the short run.
In an economy that already has lost some momentum, one must remain alert to the possibility that greater caution and weakening asset values in financial markets could signal or precipitate an excessive softening in household and business spending.
In the financial markets I find it easy to predict what will happen and very difficult to predict when it will happen. I think that things were clear during the bubble as to what would happen eventually.