Previously, we looked at O’Reilly Automotive’s (ORLY) 1Q18 revenue. The company reported a moderate 5.9% increase in its revenue, and its same-store sales growth improved significantly YoY (year-over-year). During 1Q18, ORLY opened 78 new stores, part of the company’s plan to open 200 new stores in fiscal 2018. This strategy should expand the company’s consumer base. Let’s look at O’Reilly Automotive’s profit margin in 1Q18.