If FUD = fear, uncertainty, and doubt, then the opposite would be Joy, Certainty, and Credulousness. (JCC doesn't roll off of the tongue though) Sounds about

If FUD = fear, uncertainty, and doubt, then the opposite would be Joy, Certainty, and Credulousness. (JCC doesn't roll off of the tongue though) Sounds about right. The same stuff market bubbles are made of!