Key Takeaways OWLT makes the top three after screening 7,906 stocks for efficiency ratios above industry averages.PRLB stands out as a quick-turn custom parts maker with an average four-quarter earnings surprise of 18.6%.Las Vegas Sands operates integrated resorts in the U.S. and Asia, posting a 14.5% average earnings surprise.The efficiency ratio is an indication of a company’s financial health. It analyzes how efficiently a company uses its assets and liabilities internally.However, at times, it becomes d ...