The losers often are heterogeneous patchworks of many small companies acquired during the irrational exuberance in the late '90s.

Three years ago, you had irrational exuberance, ... Currently you've got irrational despondency.

Spending on equipment was the strongest since the last irrational exuberance of the dot.com boom in early 200.

A lot of people were feeling, in the words of (Federal Reserve Board Chairman) Alan Greenspan, some irrational exuberance. They now have a much more realistic picture of retirement.

In the last six months, we've seen the culmination of the irrational exuberance found in the dot.com industries that has rippled through all the other industries.

[Meanwhile, the financial froth of speculative bubbles--and their dangers--are another enduring legacy of the Greenspan era.] Irrational exuberance really is still with us, ... risk that in 2010 or even 2015, the stock market will be lower still in real, inflation-corrected terms, than it was in 2005.