These Buffett gems are primed for big things to come.Warren Buffett is among the world's most famous investors. It's not just his net worth -- around $150 billion, as of this writing -- that makes him great. It's Buffett's investing philosophy and the massive empire that he built out of Berkshire Hathaway (BRK.A 0.55%) (BRK.B 1.06%) that makes him the man every investor can learn something from.Buffett's investing philosophy shines through the stocks he owns through Berkshire Hathaway, many of which are par ...