Maybe, more simply, Wall Street today believes that the insanely big profits that Apple is making - and that made it the most valuable company in the world in W

Maybe, more simply, Wall Street today believes that the insanely big profits that Apple is making - and that made it the most valuable company in the world in Wall Street itself - aren't sustainable in the long run. And the bullish speculation on Apple shares that came out of the continual growth of those profits may be reversing itself.