Best Buy exceeded expectations for Fourth Quarter earnings as they report a sales growth of 9%. Certainly, their competition has diminished, with RadioShack and Hhgregg out of the picture. But some say that it’s just that Best Buy has learned to compete in a post-Amazon environment. Regardless, the big question remains how much of the success is due to Best Buy’s learning to control inventory and fight back against Amazon, and how much is due to less competition and the lowest jobless numbers in years. Those will be the questions, as we observe Best Buy’s progress over the course of 2018.