How To Trade Futures

What is the main problem faced by a forex trader? I can list a few, but will focus on only three of them. If the trader can solve these problems, he moves from group of losers to a small group of elite traders. There is a theory that only 2% of traders make money while other 98% constantly lose. I would say that the percentage is even higher among traders with small deposits, and significantly lower among traders with large deposits. Why is this happening? I can identify several reasons.
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