Consciously paying more for a stock than its calculated value - in the hope that it can soon be sold for a still-higher price - should be labelled speculation
If I want to read something that's really giving me something serious and fundamental to think about, about the human condition, if you like, or what we're all doing here, or what's going on, then I'd rather read something by a scientist in the life sciences, like Richard Dawkins, for instance.