EZNETTOOLS 2007-7-24 2007-4-11 Polestar is a value-driven, independent, sell-side research firm based in San Francisco, California. Polestar recommends equity investments to mutual funds and hedge funds. 484813 text/html 1.0 EN index,follow polestar research polestar investment research raj sharma value driven equity research 7 factor model Polestar 7 factor model 7-Factor Model - Polestar Investment Research LLC text