Key Takeaways Chipotle is expanding its store base while improving kitchen efficiency and operational execution.CMG is using menu innovation and digital engagement to support traffic without heavy discounting.SG is grappling with traffic declines and margin pressure tied to weaker demand and higher costs.Chipotle Mexican Grill, Inc. (CMG) and Sweetgreen, Inc. (SG) represent two very different ways to play the fast-casual dining theme, making them a compelling head-to-head for investors. CMG brings the heft ...