Group 1: Market Performance - As of July 18, 2025, the Shanghai Composite Index rose by 0.50% to close at 3534.48 points, while the Shenzhen Component Index increased by 0.37% to 10913.84 points, and the ChiNext Index gained 0.34% to 2277.15 points [1] - The Semiconductor Materials ETF (562590) increased by 0.91%, and the Sci-Tech Semiconductor ETF (588170) rose by 0.79% [1] - In the overnight U.S. market, the Dow Jones Industrial Average fell by 0.32%, the S&P 500 decreased by 0.01%, and the Nasdaq Composite rose by 0.05% [1] Group 2: Company News - TSMC reported impressive financial results for Q2, achieving revenue of $30.07 billion, a year-on-year increase of 44.4% from $20.82 billion, and a quarter-on-quarter growth of 17.8% from $25.53 billion [2] - TSMC's gross margin was 58.6%, operating profit margin was 49.6%, and net profit margin was 42.7% [2] - TSMC plans to build 11 wafer fabs and 4 advanced packaging plants in Taiwan to meet strong structural growth demand, with a focus on 2nm technology in Hsinchu and Kaohsiung [2] Group 3: Industry Insights - Donghai Securities emphasizes that the Chinese semiconductor industry is characterized by a dual resonance of cyclicality and growth, with significant pressure at the current cycle's bottom and strong domestic demand for localization [3] - The semiconductor industry is cyclical, influenced by price, inventory, capacity supply, and end-user demand, with the last four cycles lasting 7, 3, 3, and 4 years respectively [3] - The current cycle peaked at the end of 2021, with bottom oscillation expected in 2023-2024 [3] Group 4: ETF Information - The Semiconductor Materials ETF (562590) and its connected funds focus heavily on semiconductor equipment (55.5%) and semiconductor materials (21.3%), together accounting for over 76% of the index [4] - The Sci-Tech Semiconductor ETF (588170) tracks the Sci-Tech Innovation Board Semiconductor Materials and Equipment Theme Index, including companies in semiconductor equipment and materials [3]