ny times

The numbers were startling: Shares of Chipotle Mexican Grill shot up 12 percent on Tuesday after the company reported a nearly 26 percent spurt in its quarterly profit. For the fast-food industry, this was fresh evidence that the world of Big Macs and Doritos Locos Tacos has room for a menu with healthier-than-average food and higher-than-average prices.But it came as no surprise to a new