Reports circulated this week that food delivery company Grubhub could be on the sales block and there seem to be interested buyers. We explain why the upstart has been struggling and why a buyout could make sense. After that, we unpack Spotify's announcement that it's investing podcast ad technology and why it could be a gamechanger for the streaming music company. Stocks: GRUB, SPOT Head to IF.Fool.com for a special listener offer for a year of Stock Advisor! Check out more of our content here: TMF's podcast portal YouTube Twitter Join Our Motley Fool Podcast Facebook Group LinkedIn StockUp, The Motley Fool's weekly email newsletter