The Slater investing playbook: screening for growth

Our Jim Slater ZULU Principle Screen has been the best-performing Guru screen by a large margin since its inception in 2011. This approach is based on the principles outlined by the famous UK investor in his 1992 book, The Zulu Principle – essential reading for all stockpicking investors.
Here's a snapshot of the rules we use in the ZULU screen:

Based on quarterly rebalancing, this screen has generated a 1,350% return (excluding dividends) over the last 14 years. That’s equivalent to 21% annualised:

I know that a number of subscribers have followed this approach with some success. I am also happy to admit that Slater’s ideas also influenced the rules-based strategy I use to run the Stock in Focus (SIF) Portfolio.
However, investing purely by following the ZULU screen results isn’t without its challenges. Very few stocks typically qualify for this screen at any one time. There are just two at the time of writing, for example:

Building a balanced, diversified portfolio with a sensible number of positions thus requires some discipline and planning, with gradual execution over time and a systematic...