If you have used, or had to use, one stock screen for best results, what would your criteria be?

I love playing around with stock screeners. I've never did any long term testing of any of the results, but still, I love putting different things in.

So has anyone done any testing on what are good criteria to stick in for best results? Of if you haven't, what would you guess would be the best criteria to use?

I know this is a trading website, but this is still interesting to me.

 

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research.investors.com;
bar chart.com

 

It will be big change in money flows. See ZYX Change Method for an example.
You can get the data from Bloomberg.