Everybody should use stop lose because when market move other direction then you don't have big lose. But I think that if you have good strategy and your confident and you have big capital then you can make profit without set stop lose. Thanks for this question .. and Stop-loss should be used properly else it will become the purpose for reduction instead of reducing reduction. It should be placed just after assistance or Level of ability to resist secure your consideration if the cost smashes those collections. And i observed sometimes the quit reduction predators will force the cost synthetically beyon these collections so that also needs to be taken proper care while putting.