A股早评：创业板指开涨1.07%，PCB、CPO概念高开

Core Viewpoint - The A-share market opened with all three major indices rising, indicating a positive market sentiment at the start of trading [1] Group 1: Market Performance - The Shanghai Composite Index opened up by 0.05% [1] - The Shenzhen Component Index opened up by 0.4% [1] - The ChiNext Index opened up by 1.07% [1] Group 2: Sector Performance - Precious metals, PCB, and CPO concept sectors opened higher [1]