Group 1 - The Sci-Tech Growth Index rose by 1.5%, the Sci-Tech 200 Index increased by 1.0%, the Sci-Tech 100 Index went up by 0.9%, the Sci-Tech Composite Index climbed by 0.6%, and the Sci-Tech 50 Index saw a slight increase of 0.1% as of the midday close [1] Group 2 - The Sci-Tech 50 ETF tracks the Shanghai Stock Exchange Sci-Tech 50 Index, which consists of 50 large-cap stocks with significant liquidity from the Sci-Tech Board, prominently featuring "hard technology" companies, with over 65% in semiconductors and nearly 80% combined in medical devices, software development, and photovoltaic equipment [3] - The Sci-Tech 100 ETF follows the Shanghai Stock Exchange Sci-Tech 100 Index, comprising 100 medium-cap stocks with good liquidity, focusing on small and medium-sized Sci-Tech enterprises, with over 75% in electronics, electric equipment, and biomedicine, where the electronics and electric equipment sectors have a relatively high representation [3] - The Sci-Tech 200 ETF tracks the Shanghai Stock Exchange Sci-Tech 200 Index, which includes 200 small-cap stocks with good liquidity, focusing on "growth potential" Sci-Tech companies, with nearly 70% in electronics, biomedicine, and mechanical equipment, where the electronics sector has a higher proportion [3] - The Sci-Tech Growth ETF tracks the Shanghai Stock Exchange Sci-Tech Growth Index, consisting of 50 stocks with high growth rates in revenue and net profit, with a significant representation from the electronics and communication sectors, exceeding 65% [6]