开评：三大指数低开 培育钻石、海南自贸等概念板块跌幅居前

Core Viewpoint - The three major indices opened lower on October 17, with the Shanghai Composite Index down by 0.11%, the Shenzhen Component down by 0.2%, and the ChiNext Index down by 0.36% [1] Sector Performance - The sectors that saw the highest gains included gold concepts, innovative pharmaceuticals, and construction [1] - Conversely, sectors that experienced the largest declines included cultivated diamond concepts, Hainan free trade concepts, military trade concepts, warehousing and logistics, building materials, and semiconductors [1]