American Century U.S. Quality Growth ETF (QGRO US) – Portfolio Construction MethodologyThe underlying American Century U.S. Quality Growth Index delivers large- and mid-cap U.S. exposure by screening the S-Network US Equity Large/Mid-Cap 1000 universe after dropping the bottom 2% by market cap. A quality screen removes the lowest-scoring 25% overall and within each industry using profitability (e.g., ROA, ROE, gross profitability, asset turnover, free cash flow/assets), earnings-quality and leverage metrics ...