Stuff I’m Reading this Morning… Greenbackd’s monthly list of stocks with activist positions.  (Greenbackd) I’m making this one the post of the day: All about compounding.  (InvestingCaffiene) Bill Ackman, David Einhorn and others share their best investing ideas.  (Clusterstock) Peter Maass has a new book out about the violent world of crude oil.  (USAToday) Bill…