The first reports of E. coli sickening Chipotle customers were revealed in October. Three months and thousands of tests later, health investigators still can't find the source of the outbreak ...

Chipotle Mexican Grill has temporarily closed over 40 restaurants in Washington and Oregon. Health officials are investigating an E. coli outbreak linked to Chipotle restaurants. Photo: Getty Images.

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An curved arrow pointing right. After several reported cases of food poisoning at various Chipotle Mexican Grill locations, the fast-casual titan has hired a laboratory to improve cooking methods ...

They were inspired to follow this path by the E. coli outbreak at Chipotle from a few years ago. PathSpot's co-founders say that the device could be used as the de facto form of sanitary ...

Chipotle Mexican Grill (NYSE: CMG) has been an unbelievable market-beater since its IPO in 2006. As you can see from the chart below, the stock is up more than 5,000%, turning $1,000 into $50,000 ...

NEW YORK — An outbreak of E. coli linked to Denver-based Chipotle Mexican Grill has expanded to nine states, with a total of 52 people being sickened. The Centers for Disease Control and ...

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An curved arrow pointing right. After a devastating e. coli and salmonella bout, Chipotle's sales have netted a loss. The fast-casual chain is reportedly discussing the addition of chorizo to the ...

CMG data by YCharts Chipotle pioneered the fast-casual concept, and it's been executed to near perfection, with the exception of a few years when its performance was marred by the E. coli scandal.