Two prank websites (wlinks.co and nwpedia.club) posted the same hoax article titled "All Dunkin Donuts to close by the end of 2017". There is no truth to this at all.
The sites wlinks.co and nwpedia.club are part of a network of prank sites that also used to go by the names geniusget or dailyncb. Visitors can submit their own headlines and images to be turned into realistic looking posts to be shared on Facebook. It is frequently used to run pranks about restaurant chains opening (or closing), TV shows being cancelled or popular products being discontinued. This is their self-published list of the most popular pranks on the site from a while ago:
Thousands of people have already been fooled as you can see in the Trendolizer graph at the end of this article. If you spot any distraught donut lovers, send them over here for a healthy dose of truth!
