In this article, we discuss the 10 best stocks under $20 according to British billionaire Chris Rokos. If you want to skip our detailed analysis of Rokos’ history, investment philosophy, and hedge fund performance, go directly to 5 Best Stocks Under $20 According to British Billionaire Chris Rokos. Chris Rokos is the chief investment officer and founder of Rokos Capital Management, managing a portfolio worth more than $5 billion. The portfolio has grown by 0.75% this year under Rokos’ carefully constructed investment strategies.