Chipotle Mexican Grill (NYSE: CMG) is one of the 50-plus companies that’s in my family’s portfolio. I first bought Chipotle (pronounced “chi-POAT-lay”) shares for the portfolio in April 2012 at a price of US$265 and subsequently made five more purchases (in April 2015 at US$649; in November 2015 at US$605; in June 2016 at US$396; and twice in August 2017 at US$307 and US$311). I’ve not sold any of the shares I’ve bought. Four of the six purchases have worked out very well for my family’s portfolio, with Chipotle’s share price being around US$882 now. But it is always important to think about how a company’s business will evolve going forward. What follows is my thesis for why I still continue to hold Chipotle shares. Company description Chipotle’s business is simple. It runs fast-casual restaurants mainly in the US. Its namesake restaurants serve Mexican food – think burritos, burrito bowls...