Functional tools help to manipulate successful investment path

With this screener function, I am able to screen through differential margin between same sactor, which is useful as it will shorten our decision making while investing those particular share as well as figure out which share will be a potential growth share with combining others approach and tools to minimize the chances of mis operating. This is important, why?
As we all know, han error is one of the factor lead to losses, by using proper tool, it will reduce the confusion in our human decision, maximize the profit chance, avoiding deep dip into certain situation.
Learning is a long path and only to growth, wish we all can grow, by learning from this camp. Cheers to all.