Chipotle will release its Q2 earnings on July 24. What should investors look out for?Chipotle Mexican Grill (CMG -4.24%) finally executed its much-anticipated 50-for-1 stock split last month. The fast-casual pioneer saw its stock price rise to well over $3,000 before the split, ultimately deciding that reducing the stock price was necessary.Chipotle joins a growing list of companies deciding to split, and splits have become popular again after years of falling out of favor. Why?There are a few factors that ...