Microsoft buys Github for $7.5 billion in stock. David Kretzmann analyzes the deal as we wonder why Microsoft didn’t pay in cash. We dip into the Fool Mailbag to consider the relative merits of Garmin, both as a business and a stock.  Plus, we shares some highlights from FoolFest 2018. Thanks to LinkedIn for supporting The Motley Fool.  Go to https://www.linkedin.com/fool and get a $50 credit toward your first job post.