On the one hand there is no smoke without fire, but on the other hand there is the usual false rumoring intended for stock short selling and other shady manipulation of investors. Caveat Emptor means Buyer beware in Latin, but what is Latin for Seller Beware? Perhaps this is worthy of further looking into, just to know what is inside iPhone 5.
While Mr. Essi probably has it correct, only Apple knows, and so far hasn't tried to correct such rumors.
Unfortunately, Cirrus stock took a hit perhaps un-necessarily. I don't feel sorry for investors that react on a single story, but it illustrates how great company valuations can be "manipulated" should one chose to do so.
Pump and dump is a common manipulation strategy, but so is smear and buy.