SIASUN(SZ:300024) Sou Hu Cai Jing·2025-09-02 07:51Market Overview - The A-share market experienced a collective decline, with the Shanghai Composite Index falling by 0.45%, the Shenzhen Component Index dropping by 2.14%, and the ChiNext Index decreasing by 2.85% [1] - The total trading volume across the Shanghai, Shenzhen, and Beijing markets reached 29,124 billion yuan, an increase of 1,348 billion yuan compared to the previous day [1] Sector Performance - Over 4,000 stocks in the market declined, with significant losses observed in sectors such as CPO, semiconductors, and copper cable high-speed connection hardware [1] - Conversely, sectors such as precious metals, PEEK materials, electricity, and industrial mother machines showed positive performance [1] Index Performance - Specific index performances included: - Shanghai Composite Index: 3,858.13, down 17.40 points (-0.45%) - Shenzhen Component Index: 12,553.84, down 275.11 points (-2.14%) - ChiNext Index: 2,872.22, down 84.15 points (-2.85%) [2] - Other notable indices included: - CSI 300: 4,490.45, down 33.26 points (-0.74%) - CSI 500: 6,961.69, down 148.60 points (-2.09%) [2] Fund Flow and ETF Performance - The banking sector saw a net inflow of funds, with bank ETFs such as Tianhong and Huabao rising by 1.96% and 1.94%, respectively [3] - The human-robot sector experienced a rebound, with robot ETFs from Penghua, E Fund, and Invesco rising over 2% [3] - However, the electric vehicle battery ETF faced a significant drop, and there was a notable increase in the number of stocks in sectors like CPO, PCB, and liquid cooling that hit the limit down [3]