Business & Finance Merck & Co., Inc. (NYSE:MRK), Citigroup Inc (NYSE:C) and Pfizer Inc. (NYSE:PFE): Top 3 Stock Picks In The Portfolio Of Kahn BrothersBy Neha GuptaNovember 11, 2014 In its latest 13F filing, Kahn Brothers, managed by Irving Kahn, disclosed three of its best stocks at the end…