Shares of fast-casual restaurant name Chipotle Mexican Grill, Inc. (NYSE:CMG) are 5.1% lower at $45.70 this afternoon, just ahead of its first-quarter earnings report, due out after the close on Wednesday, April 23. Amid broad-market pressure, today's dip comes after the company made headlines for announcing its first-ever expansion into Mexico. Chipotle plans to open a location in Mexico City early next year in partnership with Alsea -- a move that could signal a larger push into international markets.Per ...