There were a few major investments that Warren Buffet bought last year through Birkshire Hathaway. BNI was his biggest purchase as he bought 4.7 billion Kraft he bought 4.2 billion Wells Fargo he bought 3.0 billion JNJ 2.7 Billion sanofi-aventis on the France exchange he bought 1.5 billion US bankcorp he bough 1.5 Billion...
Graham was Warren Buffett’s mentor. He taught Warren some great things. It wasn’t until Warren met Charles Munger that he started to evolve. He invested successfully for something like 20 years before then using the concept of buying “net-nets”. There is more details about this in an interview with Whitney Tilson about Charlie Munger....