Here is a graphic of one theory. I call it the plumbers butt theory.
Usually I am a scoffer and debunker, but in any nonlinear complex system, attractors can appear. But I am puzzled as to his statement that earthquakes are harder to predict than stock markets, because earthquakes do not have the human element of mob/panic/stampede psychology.
Order can emerge from seeming chaos, but probably not the kind that will let someone buy a new hot "IBM" for a dollar.