Chipotle Mexican Grill reported second-quarter net revenue of $3.3 billion, up 9.3% from a year ago. Growth was driven by same-store sales increasing 2.2% in Q2, prompting the company to raise its full-year guidance for same-store sales to single-digit growth instead of flat. On the day of the report, shares went up 5.9% to $36.24 apiece during after-hours trading (NYSE: CMG). On Thursday, July 30, shares jumped 12% to $38.49 a share with a market cap of $49 billion. This story was updated on Thursday, July 30.