Wall Street has turned viciously on its one-time iDarling. The rout in Apple's share price—it fell nearly 2.7 percent on Thursday, bringing the damage since late September to 44 percent—has many wondering when, and where, this will end.

The answer, of course, is that no one really knows. Yes, Apple is slowing, as companies inevitably do. But Apple remains enormously profitable and the envy of corporations worldwide.