Buy apple stock now at $434 3/5/2013?

Buy apple stock now at $434 3/5/2013? at 400B company.

1. iPhone 200
2. iPad 0
3. iMac0
4. iTune 100
5. Cash 130

Total 430B company

This didn't take growth into account, Google's killer app of Youtube and Google Map for iPhone and iPad. What gives, Google puts them out for free download, what kind of business logic?

Catalysts

Stock split

stock buybacks