Once a company's worth gets into the stratospheric range that Apple now inhabits, financial analysts start to play with the numbers and find all sorts of fascinating things. Stock analysis firm Trefis looked at Apple's product mix and estimated that the iPhone line accounts for about 53.5% of Apple's stock value. By comparison, the Mac weighs in at a paltry 18.3%.
Next, Trefis assigned a price estimate of $418 a share to AAPL, which is about 40% ahead of the current stock price but well within estimates from a number of Wall Street analysts. Applying these assumptions -- and they're rather big assumptions -- the iPhone would account fo
