Investment Hedge Fund and Insider Trading News: Steven Cohen, Renaissance Technologies, Children's Investment Fund (TCI), Greenlight Capital, NuStar Energy L.P. (NS), Yext Inc (YEXT), and More – Insider Monkey December 2, 2019 johorbiznet Johor News Hedge Fund and Insider Trading News: Steven Cohen, Renaissance Technologies, Children’s Investment Fund (TCI), Greenlight Capital, NuStar Energy L.P. (NS), Yext Inc (YEXT), and More Insider Monkey Source: Investment New Feed