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Do you think there might be a potential curve fitting problem with this screens?

He has posted a number of similar P/S screens and 6 years is not the longest backtest if you want to tune something up.

Has anyone used any of the Zacks screens (with real money)? -Jeff

Yes, and have been beating all the market averages by a nice margin since I started as of 10/6/06. Some of the screens have been spectacular, in fact.
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