ROE (Return on Equity) is crucial for assessing corporate growth and competitiveness. Companies with both high ROE and high equity ratios are rare, indicating efficient capital use. Screening S&P 500 stocks reveals 13 with equity ratios over 75% and ROE above 20%, showcasing strong financial stability and competitiveness. Examples include AMD, FAST, CPRT, and MNST, representing a balanced approach to long-term investment.