Buy it now, says Timothy Arcuri. Given slowing smartphone sales and likely Brexit effects, Wall Street's iPhone sales estimates are still a "smidge" too high, writes Cowen analyst Timothy…

Read More Analyst: Apple is a 'powder keg' set to explode

Two self-inflicted wounds. In a note to clients Monday, Morgan Stanley's Katy Huberty reiterated her estimate that Apple will sell $71.8 billion worth of iPhones this Christmas, down from $75.9 billion in 2015—a…

Read More Brexit and Jackgate threaten Apple's Christmas sales