"Shkreli started his career interning for “Mad Money” host Jim Cramer while still a teenager. After recommending successful trades, Shkreli eventually set up hi

"Shkreli started his career interning for “Mad Money” host Jim Cramer while still a teenager. After recommending successful trades, Shkreli eventually set up his own hedge fund, quickly developing a reputation for trashing biotechnology stocks in online chatrooms and shorting them, to enormous profit."