沪指半日涨0.06% 量子科技板块涨幅居前

Core Viewpoint - A-shares showed mixed performance in early trading on October 30, with the Shanghai Composite Index slightly up while the Shenzhen Component and ChiNext indices experienced minor declines [1] Market Performance - As of the midday close, the Shanghai Composite Index increased by 0.06% - The Shenzhen Component decreased by 0.02% - The ChiNext Index fell by 0.23% [1] Sector Performance - Quantum technology, battery, and shipping port sectors led the gains - CPO, gaming, and precious metals sectors saw the largest declines [1]