Navarra says there is a “brand risk” for the messaging app, given “people trust WhatsApp because of its privacy features”.

But the stock looks even cheaper on a forward basis. Wall Street's consensus estimate (provided by Yahoo! Finance) suggests ...

Amazon CEO Andy Jassy had previously told CNBC that he didn't expect to cut back on capital spending for data center compute capacity. That's why investors need to mark May 1 on their calendars.