As a rule, there is always a crowd of traders who are short at 120 because it looked so weak, or long at 130 because it looked so strong, and, when the market goes against them they are forced, after a while, either to change their minds and turn or to close out, In either event they help to define even more clearly the price line of least resistance. Thus the intelligent trader who has patiently waited to determine this line will enlist the aid of fundamental trade conditions and also of the force of the trading of that part of the community that happened to guess wrong and must now rectify
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