There are some basic things that ahould be learnt by very trader while doing trading to prevent themselves from a loss. firat of all stick your target.. don't be greedy... control your emotions... don't trust your luck.. ttust your work and experience. try to learn from every trade.. look after everything very attentively. use the safety tools stop loss and take profit smartly.so I think these things ill reduce your chamces of loss to a large extent and It will be fruitful to you.