There's plenty to talk about, so let's dive on in . . .

Money's Jason Zweig finds some new investment insights in recent advances in behavioral finance. Among other things, he describes how, for us homo sapiens sapiens, the anticipation of a reward is much greater than the satisfaction of actually getting the reward.

So we run stocks up to ridiculous levels when something good is over the horizon, and we sell them off when that good thing actually happens.

Apparently, this whole mechanism works in reverse, too, as fears of something bad or dangerous excite more anxiety than the actual arrival of the dreaded event.

Could this be why war scares tend to be such a great time to buy?