Chipotle recently implemented a 50-for-1 stock split.Would you believe me if I told you that a company that makes burritos and tasty Mexican-inspired bowls has outperformed the S&P 500 over the last 10 years?Shares of fast-casual restaurant chain Chipotle Mexican Grill (CMG 3.33%) have absolutely trounced the broader market over the last decade.After soaring 275% over the last 10 years, Chipotle finally decided to implement a 50-for-1 stock split last month. Although stock splits do not inherently change th ...