A股早评：三大指数涨跌不一，食品股盘初活跃

Core Viewpoint - The A-share market opened with mixed performance among the three major indices, indicating varied investor sentiment and sector performance [1] Group 1: Market Performance - The Shanghai Composite Index opened down by 0.09%, reaching 3894.16 points [1] - The Shenzhen Component Index opened up by 0.11% [1] - The ChiNext Index opened up by 0.25% [1] Group 2: Sector Performance - Energy metals and food processing manufacturing sectors showed strong opening performance [1] - The China Shipbuilding Industry and Hainan sectors opened lower [1]