Regardless, new CEO Johnson will face a number of challenges when he takes over SBUX stock. The chain is facing new competition from specialty roasters like Stumptown and Intelligentsia, as well as from mass coffee purveyors like Dunkin Brands Group Inc (NASDAQ:DNKN). Lower mall foot traffic from online shopping has also taken a bite out of sales. Johnson will have to lay out a plan to address these threats if he wants to maintain investor confidence post-Schultz.