Chipotle: The Avocado Did It

Last week, shares of Chipotle Mexican Grill ( CMG ) gained 2.8%, which might not seem like much until you compare it to the S&P 500's 1.4% drop. The reason for the big gain? A report that suggested Chipotle's same-store sales, or comps in Wall Street parlance, would be better than expected . Which is all well and good, except for one problem: Chipotle's food costs. Wedbush analysts Nick Setyan and Colin Radke explain: