Smart investors are calm in the chaos.

It always feels safest, right before it gets dangerous. When you see the VIX at its lowest, when your account is up and the headlines are quiet, that's when most investors let their guard down. But the truth is, in today's market, peace is only an illusion.One unexpected Trump tweet can instantly send stocks into a tail spin, even if nothing really in the world has changed. Why. Because so much of the market is now run by computers that react in seconds to every headline.If you're newer to the game, here's ...