开盘：上证指数跌0.56% 贵金属板块走低

Core Viewpoint - The three major stock indices opened lower, indicating a bearish market sentiment at the start of trading. Group 1: Market Performance - The Shanghai Composite Index opened at 4007.13 points, down 0.56% [1] - The Shenzhen Component Index opened at 13323.45 points, down 1.14% [1] - The ChiNext Index opened at 3145.92 points, down 1.74% [1] Group 2: Sector Performance - The gas and textile manufacturing sectors showed active performance [1] - The precious metals, storage chips, and AI mobile phone sectors experienced declines [1]