A股开盘：三大指数基本平开

Core Viewpoint - The A-share market opened with slight declines in major indices, indicating a cautious market sentiment at the start of the trading day [1] Market Performance - The Shanghai Composite Index opened down by 0.02% - The Shenzhen Component Index opened down by 0.09% - The ChiNext Index opened flat [1] Sector Performance - Chemical fiber and CPO sectors showed the largest gains in the market - Conversely, photovoltaic equipment and PEEK material concept stocks experienced the most significant declines [1]