As a general rule, when a large restaurant chain makes changes to its menu, there's little discernible impact on the bottom line. But importantly, there are exceptions to this rule.
It's for this reason that investors should watch closely to see how customers respond to a recent addition to the menu at Chipotle Mexican Grill's (NYSE: CMG) public test kitchen in New York City.
Image source: Chipotle Mexican Grill.
Source: Fool.com