High calories = high stock prices?

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Fancy some quick Mexican? Chipotle (CMG) is near an all-time high. (The calorie counts on those burrito bowls quickly add up when you add extras!) Shares of Jack in the Box (JACK), which owns Chipotle rival Qdoba as well as the hamburger chain, are also at a record.

Earlier this week, drive-in burger joint Sonic (SONC) surged to an all-time high after reporting strong sales and earnings.

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