As a growth investor can the Piotroski F-Score to increase your returns? That is what a friend of mine Jan-Hendrik Mohr proved in this interesting research paper
This Quality Value Momentum (QVM) investment strategy contains the best ideas from our research paper Quantitative Value Investing in Europe - It REALLY works +1142% over 13 years...
If you use only one ratio to find investment ideas it may lead to you missing attractively priced companies in terms of other ratios. This combination of valuation ratios pulled together into one indicator solves the problem - Value Composite One