Nothing will be that profitable again The fruity cargo cult Apple has warned investors that future products may never be as profitable as its iPhone business as it pushes into unproven new markets ...

Warren Buffett is one of the most renowned figures on Wall Street. That's partly because he is worth about $140 billion, and partly because he's built Berkshire Hathaway (NYSE: BRK.A) (NYSE: BRK.B) ...