 So some would call this the greater fool theory. Is the buyer or the seller the greater fool for having entered into this trade? Well, you don't really know, but that's always the case, isn't it? In any case, now you have cash and you can take that cash and go buy another stock, one you've got a good, fresh, positive feeling about. The company has some new gizmos in the pipeline and you think its industry is going to do great.