Core Insights - The article highlights the remarkable performance of the "Zhaoshang CSI 2000 Enhanced ETF" (159552), which achieved a 40.83% increase year-to-date, making it the first broad-based ETF to surpass the 40% return threshold in the market this year [1][2] - The ETF's success is attributed to its active management strategy, which has generated nearly 19% of its total returns through excess contributions, showcasing the effectiveness of enhanced strategies in the current market environment [2][6] Group 1: Performance Metrics - As of July 28, the CSI 2000 Enhanced ETF (159552) has shown a 40.21% return over the last 120 days and a 34.24% return over the last 50 days, indicating strong short-term performance [2] - The ETF has experienced a significant increase in trading volume, with a 17-fold increase in shares and over 22 times growth in scale this year, marking it as a phenomenon in the ETF sector [2][5] Group 2: Market Trends - The CSI 2000 index, which includes companies ranked 1801-3800 by market capitalization, has become a flagship index for small and micro-cap stocks, capturing over 30% of emerging industries and niche market leaders [5] - The current market trend favors small-cap stocks due to their higher volatility and market sensitivity, which tend to rebound faster when market sentiment improves [5][11] Group 3: Active Management Strategy - The enhanced strategy employed by the ETF's management team utilizes a multi-factor stock selection model and dynamic rebalancing to capture various market signals, resulting in a significant alpha generation [6][8] - The active management approach has allowed the ETF to outperform similar products and other small-cap indices, highlighting the importance of strategic positioning in the current market [6][11] Group 4: Liquidity and Market Dynamics - The liquidity of the CSI 2000 index has improved significantly, with its average daily trading volume surpassing that of the CSI 300 and CSI 500 indices, facilitating large capital movements in related ETFs [9][11] - The combination of market style, precise tool positioning, excellent active management, and strong liquidity has created a feedback loop that enhances the ETF's performance [11]

Core Viewpoint - The small and micro-cap style has shown strong performance recently, leading to heightened investor enthusiasm for related funds. To prevent rapid fund size expansion and dilution of returns for existing holders, fund companies have implemented purchase restrictions [1][2]. Fund Purchase Restrictions - On June 11, Changsheng Fund announced a limit on purchases for the Changsheng North Certificate 50 Enhanced Index Fund, capping single account purchases at 100 yuan per day. Other funds, such as Huashan North Certificate 50 Index Fund, have also set limits, with some funds restricting daily purchases to amounts ranging from 1,000 yuan to 50,000 yuan [2][3]. Performance of Small and Micro-Cap Indices - The Wind Micro-Cap Index has risen over 30% year-to-date, reaching a new high on June 10. The North Certificate 50 Index has increased nearly 40% this year, also hitting a new peak in late May. These indices have significantly outperformed larger market indices [4][5]. Market Dynamics and Investor Behavior - The recent strong performance of small and micro-cap stocks is attributed to favorable policies and a loose funding environment. The release of the "Major Asset Restructuring Management Measures" has spurred interest in mergers and acquisitions, benefiting small and micro-cap stocks [6][8]. Valuation Metrics - The valuation of the small and micro-cap style is high, with the price-to-earnings ratio of the CSI 2000 Index at 138 times, and the North Certificate 50 Index at 74.52 times, both at historically elevated levels [4][8]. Market Sentiment and Risks - Despite the high trading crowding in small and micro-cap stocks, some institutional investors believe that any potential pullback will depend on the occurrence of substantial negative events. Current policies favoring technology innovation and asset integration support the continued performance of small and micro-cap stocks [7][8].