In trading knowledge and experience are the one you need to make sure to survive with the market volatility evey time you make a trade you will learn something with your wins and mistakes and of course you can lessen the number of losses and risk if you have knowledge how to deal with that signals. If you know how to control your self you can make a good decision making with the unexpected price action. A knowledgeable trader knows what they are doing they have a preparation stages before making their trade and they keep stick with their plan so if you need to cut loss deal with it because there's no essence to keep the position people getting more greedy are the one who losses a lot.