As a matter of fact, many traders, especially those on the floors of the futures exchanges who have the
ability to move prices very dramatically in one direction or the other, usually don't have the slightest
concept of the fundamental supply and demand factors that are supposed to affect prices. Furthermore,
at any given moment, much of their trading activity is prompted by a response to emotional factors that
are completely outside the parameters of the fundamental model. In other words, the people who trade
(and consequently move prices) don't always act in a rational manner.