"Reminiscences of Livermore":
All you need to do is observe the market trend, determine the market resistance level, and once determined, be ready to trade along the line of least resistance.
This may sound easy, but in actual operation, a person must guard against many things, and most of them are against himself and against the weaknesses of human nature.
That's why I say that there are two forces helping the trader who operates correctly: one is the basic market situation; the other is those who make mistakes.
In a bull market, people will ignore negative factors. This is human nature, and people are surprised by this.
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