Apple shares set another all-time high today, closing above $509 for the first time ever. The sky's the limit, it seems, as expectations build around Apple's new iPad, due next month, and on the heels of a crazy record holiday quarter. And here's an amazing thing: Even with Apple's size and momentum, there's still plenty of room left for growth. In its most important markets - mobile phones and... moreApple shares set another all-time high today, closing above $509 for the first time ever. The sky's the limit, it seems, as expectations build around Apple's new iPad, due next month, and on the heels of a crazy record holiday quarter. And here's an amazing thing: Even with Apple's size and momentum, there's still plenty of room left for growth. In its most important markets - mobile phones and personal computers - Apple is still being dramatically outsold by competitors. That in mind, it's also reasonable to ask: How long can Apple keep its streak alive? When will it peak?... view page