Apple shares tumble on concerns of slowing iPhone demand worldwide

Apple has been praised for being one of the lone major technology companies to break out how many of each of its major products it sells each quarter

Apple Inc. shares had their worst day since 2014 amid concerns that growth in its powerhouse product, the iPhone, is slowing.

In the fiscal fourth quarter, Apple said iPhone unit sales barely grew from a year earlier, even though new flagship devices came out in the period. At the same time, Apple said it would stop providing unit sales for iPhones, iPads, and Macs in fiscal 2019, a step toward becoming more of a services business. While some pundits praised the move as a way to highlight a potent new business model, many analysts complained it was an attempt to