The restaurant giant's business strategy is delivering strong revenue growth.Restaurant chain Chipotle Mexican Grill (CMG 1.90%) capped an amazing run up in its share price this year with a 50-for-1 stock split in June. It was one of the largest stock splits in the history of the New York Stock Exchange.Explaining why the company did it, CFO Jack Hartung said, "We believe the stock split will make our stock more accessible to our employees as well as a broader range of investors."With its historic stock spl ...