Agreed. You have to know ahead of time something is going to trend. Of course, if something trended for a long time thus far, there's a decent shot of that trend continuing for a while (given other contextual information).
%% That; besides, they were supposed to use their own'' flair/discretion also. '' I never met R Sands or Benedict Arnold, or bought a ''system'', so I cant really comment much on that.