Renaissance Technologies is the best performing investment firm of all time. And yet no one at RenTec would consider themselves an “investor”, at least in any traditional sense of the word. It’d rather be more accurate to call them scientists — scientists who’ve discovered a system of math, computers and artificial intelligence that has evolved into the greatest money making machine the world has ever seen. And boy does it work: RenTec’s alchemic colossus has posted annual returns in the firm’s flagship Medallion Fund of 68% gross and 40% net over the past 34 years, while never once losing money. (For th...