While investors closely watch year-over-year changes in headline numbers -- revenue and earnings -- and how they compare to Wall Street expectations to determine their next course of action, some key metrics always provide a better insight into a company's underlying performance. View all Key Company Metrics for O'Reilly Automotive here>>> The reported revenue compares to the Zacks Consensus Estimate of $4.32 billion, representing a surprise of -1.19%. The company delivered an EPS surprise of -3.65%, with t ...