Interesting, the way i see it is two-fold...1) the markets are algorithmically set 2) since SPY, DIA...have actual monetary value, people are buying it for financial gain and when it is "primed/ripe for the picking" the big boys will let er rip and cash in on the euphoria (thats one reason i watch certain talking heads--because they are patsies to keep the euphoria instilled). But people can still scalp on the up and downs until then. SPY