Market Performance - The Sci-Tech 100 Index increased by 4.5%, the Sci-Tech Composite Index rose by 2.9%, the Shanghai Sci-Tech 50 Component Index went up by 2.6%, and the Shanghai Sci-Tech Growth Index saw a rise of 0.9% this week [1][3]. Industry Developments - A significant breakthrough in the development of new semiconductor materials was achieved by a team from the University of Science and Technology of China, which successfully constructed a programmable, atomically flat "mosaic" heterojunction in two-dimensional ionic soft crystal materials. This technology overcomes the challenges of traditional processes that tend to damage soft crystal structures, paving the way for the development of high-performance light-emitting and integrated devices [1]. Index Composition - The Shanghai Sci-Tech 100 Index consists of 100 stocks with medium market capitalization and good liquidity, focusing on small and medium-sized tech enterprises, with over 80% of its composition in the electronics, biopharmaceuticals, computer, and power equipment sectors [5]. - The Shanghai Sci-Tech Composite Index covers all market securities, focusing on core frontier industries such as artificial intelligence, semiconductors, new energy, and innovative pharmaceuticals, encompassing all 17 primary industries listed on the Sci-Tech Board [5]. - The Shanghai Sci-Tech Growth Index is composed of 50 stocks with high growth rates in revenue and net profit, with over 95% of its composition in high-growth sectors like electronics, power equipment, biopharmaceuticals, and automotive [5]. ETF Tracking - There are currently 19 ETFs tracking the Shanghai Sci-Tech 50 Component Index, 13 ETFs for the Shanghai Sci-Tech 100 Index, 15 ETFs for the Shanghai Sci-Tech Composite Index, and 4 ETFs for the Shanghai Sci-Tech Growth Index, with varying fee rates and tracking errors [5].

Group 1 - The core focus of the news is on the performance and composition of the Sci-Tech Innovation Board, highlighting the significant representation of small and medium-sized enterprises in the electronic and pharmaceutical sectors, which together account for over 80% of the index [4] - The Sci-Tech Innovation Index ETF tracks the comprehensive index of the Sci-Tech Innovation Board, covering all market securities and focusing on key industries such as artificial intelligence, semiconductors, new energy, and innovative pharmaceuticals [6] - The Sci-Tech Growth 50 ETF tracks the growth index of the Sci-Tech Innovation Board, consisting of 50 stocks with high growth rates in revenue and net profit, with a notable emphasis on the electronic and pharmaceutical sectors [6]

Group 1 - The article discusses the performance of the Sci-Tech Innovation Board (科创板) and highlights the growth characteristics and risk diversification of core industries such as artificial intelligence, semiconductors, and new energy [4] - The Sci-Tech Growth 50 ETF tracks the Sci-Tech Growth Index, which consists of 50 stocks from the Sci-Tech Innovation Board with high growth rates in revenue and net profit, particularly in the electronic and pharmaceutical sectors, which together account for nearly 75% of the index [4] - As of August 4, 2025, the index has shown a rolling price-to-earnings ratio of 228.6 and a growth of 1.3% [5] Group 2 - The article mentions that the Sci-Tech Growth Index was launched on July 23, 2020, and the Sci-Tech Comprehensive Index is set to be released on January 20, 2025 [5] - The management fee for the low-fee products is 0.15% per year, and the custody fee is 0.05% per year [5]