Good article posted on Tuesday by IG on the Richard Dennis experiment carried out in the 1980s to see if successful traders could be 'made'. 'What is Turtle Trading' highlights the importance of a rules based system, also included is 'Turtle Trading: A Market Legend' which is an article from Investopedia on the same subject posted in Feb this year. https://www.ig.com/uk/trading-opportunities/turtle-trading--what-is-it-and-what-are-the-rules--180904?CHID=9&SM=TW&REF=IG