份额井喷，年内规模增近18倍！中证2000增强ETF(159552)获资金连续15日加码

Group 1 - The core viewpoint of the article highlights the sustained high interest in small-cap stocks, particularly the CSI 2000 Enhanced ETF (159552), which has seen a year-to-date increase of 35.76% and continuous net inflows for 15 days as of July 18, accumulating over 260 million since the beginning of the year [1] - The CSI 2000 Enhanced ETF has experienced a significant expansion in shares, with a year-to-date increase of 1269.29% and a growth in scale of 1755.45%, reaching a historical high [1] - According to Zheshang Securities, July shows favorable statistical characteristics for certain factors, including a low valuation and high dividend yield, with average excess returns of 1.89%, 1.77%, 1.64%, and 1.64% for various metrics, and win rates of 70% to 90% [1] Group 2 - The momentum factor in July has shown an average return of only 0.22% with a win rate of 50%, indicating that trend-following strategies are not historically advantageous during this month [1] - Overall, July's advantageous factors exhibit significant defensive characteristics, suggesting that selecting stocks with stable profit growth and high dividends, along with low volatility, may yield both beta and alpha returns [1]