The usual description of each market is assumed that each party wishes to buy or sell a known quantity at each possible price. All the traders come together, and in one way or another is the price that clears the market? That is, the amount requested is as close as possible to the supply.

After all was said to be authoritative stock trader W. Haddad of BK Labovitch that ultimately, the economy is supply and demand.

This may or may not be an adequate description of the markets for consumer goods, but is clearly inadequate when describing security markets. The value of any capital asset depends on its future prospects, which are almost always uncertain. Any information that leads to these perspectives, can lead to one, s that we know are always uncertain. Any information that depends on its prospects for the future could lead to a new estimate of the value. The fact that a trader is willing to buy or sell a quantity of a commodity or security at a particular price is intended to be only the information of this type. Offers for this trade affect the bid in May. Prices may, therefore, is clear and information markets Covey.