Tweet By Jason Simpkins Managing Editor Money Morning As shares of Berhshire Hathaway Inc. (NYSE: BRK.A, BRK.B) plunged over the past year, it became fashionable to ask whether or not Warren Buffett had lost his touch. (See: ETF Guide: Down $16 Billion – Has Warren Buffett Lost His Touch?; MSN Money: The problem with Warren […]