【广发金工】如何挖掘景气向上，持续增长企业

Core Viewpoint - The report tracks the performance of a long-term stock selection strategy focused on profitability and growth, which was initially published on August 26, 2020, by the GF Financial Engineering team [2][29]. Empirical Analysis Data Description - The empirical analysis covers a backtesting period from January 1, 2009, to August 29, 2025, with three portfolio adjustments each year on April 30, August 31, and October 31 [3]. Portfolio Construction - The stock selection process emphasizes high ROE, improving gross profit margins, and strong cash flow, while excluding stocks with poor cash flow and high debt ratios [4]. Equal-Weighted Portfolio Performance - The equal-weighted portfolio achieved a cumulative return of 3281.94% and an annualized return of 23.43% during the backtesting period, outperforming the CSI 800 index, which had a cumulative return of 169.89% [5][30]. - The equal-weighted strategy had an annualized volatility of 13.67% and an information ratio of 1.19 [13]. Market Capitalization-Weighted Portfolio Performance - The market capitalization-weighted portfolio recorded a cumulative return of 2330.56% and an annualized return of 21.02%, also outperforming the CSI 800 index [15]. - The market capitalization-weighted strategy had an annualized volatility of 13.86% and an information ratio of 1.00 [22]. Portfolio Holding Characteristics - On average, each portfolio iteration consisted of approximately 55 stocks, with an average market capitalization of around 14 billion [26][30]. - The most frequently selected sectors included pharmaceuticals, chemicals, electronics, machinery, and food and beverage, while sectors like leisure services and defense had fewer selections [26][30].