Apple CEO Tim Cook called the surge in demand for iPhones in the latest quarter "staggering." Analysts say multiple factors can help explain why.

Apple's fiscal first quarter ended in December and the company has already signaled last year it's expecting a big earnings report.

Secondo il Ceo Tim Cook la domanda degli ultimi modelli di smartphone è stata “sbalorditiva” assicurando all’azienda un aumento del 16% del fatturato, a 143,8 miliardi di dollari,…