The reason lie behind how the broker makes profit. There are brokers that makes profit from spread or direct commission on every trade executed. In this case, the broker is not interested in the losing trades of their clients because they don't profit from their loss. This type of forex broker will want to see you succeed because the more successful you are the more likely you are to remain a client for a long time. Also, successful clients opens more trades than unsuccessful clients. This is why a few brokers out there love to see their clients succeed in order for them to make more profit. Would you not rather do business with such brokers? Yes!
