"Facebook shares declined as much as 7.8 percent Wednesday after two sobering comments on its conference call. First, Chief Financial Officer David Wehner said revenue growth rates will come down “meaningfully” next year, because the company won’t keep increasing the percentage of ads that Facebook users see in their news feed. Second, capital expenditures will rise “substantially” in 2017 as the social network works to recruit the best engineers and build data centers, he said."
