Today’s first topic is Steve Jobs, Apple and AAPL. Steve Jobs, of course, is the man at the head of the company. Apple is the company itself. And AAPL is the stock. They are three separate entities. But investors often make the mistake of confusing them, and that can be dangerous. For example, the media in recent weeks have focused on Steve Jobs and his health (first there was pancreatic cancer and now there’s an unspecified “hormone imbalance”), and worried about the effect on the company should Steve’s health problems force him to step down. Others have wondered how...