Key Takeaways Chipotle's market edge is challenged by rivals using aggressive value and promo strategies.The company is boosting efficiency and marketing to reinforce its value and loyalty programs.Revenue growth slows 3% while comps fell 4%, but CMG expects mid-single-digit comp recovery ahead.As fast-casual dining grows more crowded, Chipotle Mexican Grill, Inc. (CMG) is finding its once-uncontested position increasingly challenged. Rival chains are leaning on value meals and promotional offers to capture ...