Though some may argue that market capitalization is not a strong indicator, but it still remains a proxy for market success. Apple had been having a lot of product successes, while Microsoft continues to flounder.
For one, Apple’s iPod and iPhone have been stellar success creating the halo effect for other Mac products. Microsoft Vista has clearly failed, and XP users will switch to Microsoft’s new OS — System 7 due for release this year.
A comparative assessment of Microsoft and Apple can be found here.