Trading wisely will come upon gaining experience in the market after dealing with many losses and defeats. It's easy to say that we should trade wisely and choose whatever is right for us to buy. But whenever you're already there, it's going to be a process that is hard to take. You have to make sure that you can really make use of what you've said of being wise. Try to apply it to yourself and avoid those losses because they cannot be avoided but you can mitigate them when you apply to stop loss.