Since Steve Jobs passed on Oct. 4, Apple (AAPL) has tacked on $90B -  nearly a Facebook - to its...

|About: Apple Inc. (AAPL)|By:, SA News Editor

Since Steve Jobs passed on Oct. 4, Apple (AAPL) has tacked on $90B -  nearly a Facebook - to its market cap. While $100B - representing a PE of 100 and price-to-sales of 27 - might be expensive for Facebook, Apple trades at a PE of 13 and price-to-sales of 3.4. Still, after a run like that, even some Apple bulls believe the shares are due for a sell-off.