Stress is only an emotion and anyone can experience it even the professionals and experienced traders. There is a remedy for stress. Now what about the beginners? Even if they are not stressed, they still lacks of knowledge and this can affect their decision making which can result for a loss. Losses are also normal so they must not be stressed again but instead learn on how can they improve their self.

Your advice there of staying away from the screens is good only for the long-term investors but for the traders, it's important for them to monitor the market and to listen to the updates (news, signals, etc.). They can use it to decide if what move they are going to do next.