Investors putting in buy and sell calls should then act a bit like particles in aglassofmilk, which remain suspended because they are constantly bustling into one another in a process known as Brownian motion.
They were serving themselves, using the tongs, learning manners, having conversation -- not with real sentences or anything -- (laughter) -- but all the expression that goes along with sitting at the table and having aglassofmilk and passing the food.