[PCB Concept Gains Broaden, Over Ten Component Stocks Hit Limit-Up] According to DeepTech TechFlow, on July 14, market data shows that the PCB concept gains broadened in the afternoon, with over ten stocks including Zexin Electronics, Minbao Optoelectronics, Dongcai Technology, China Jushi, and Shennan Circuits hitting the limit-up. Multiple stocks such as Hongshida, International Composite Materials, Dingtai Gaoke, Shengyi Electronics, and Tongguan Copper Foil rose over 10%.