Sou Hu Cai Jing·2025-08-22 07:57Market Performance - On August 22, A-shares saw all three major indices close higher, with the Shanghai Composite Index breaking above the 3800-point mark [1] - The Sci-Tech 50 index surged over 8%, while the ChiNext Index rose more than 3%, and the Shenzhen Component Index increased by over 2% [1] - The total trading volume in the two markets exceeded 2 trillion yuan [1] Sector Highlights - The semiconductor sector led the market rally, with stocks like Cambrian and Haiguang Information both hitting the 20% daily limit up [1] - Various Sci-Tech board chip-themed ETFs experienced significant gains, with many rising over 10% [1] - Specific ETFs such as Guolian An Sci-Tech Chip Design ETF and Penghua SSE Sci-Tech Board Chip ETF saw increases of over 15% [1]