Considering the article hand-picked them from "the height of the dot-com boom", many of those 24 companies didn't do too badly.
TD Waterhouse - $76 billion
priceline.com - $24 billion
Juniper Networks - $22 billion
Agilent - $15 billion
Red Hat - $9 billion
Akamai - $7 billion
Ok, maybe they weren't great investments, and some went to zero, but as a group they weren't horrible.