Key TakeawaysChipotle Mexican Grill shares fell Wednesday, a day after it missed revenue and same-store sales estimates, and tried to downplay concerns about the effects of possible U.S. tariffs.The Mexican fast-casual restaurant chain's sales got a boost from the addition of 119 new locations in the quarter.Chipotle said if the tariffs are put into effect, it would impact cost of sales by 60 basis points. Shares of Chipotle Mexican Grill (CMG) slipped Wednesday, a day after the Mexican fast-casual restaura ...