On December 26th, Jin10 Data reported that the three major indices fluctuated upward in the morning and slightly retreated in the afternoon, with most individual stocks rising; the micro-cap stock index rebounded, up over 1%; by the close, the Shanghai Composite Index rose 0.14%, the Shenzhen Component Index rose 0.67%, and the ChiNext Index rose 0.39%. In terms of market performance, the copper cable high-speed connection concept surged, with the sector rising nearly 9%, and individual stocks saw a wave of limit-ups, including Kingsignal, BROADEX, and ZHAOLONG, all hitting the 20% limit-up; sectors such as CPO, liquid-cooled servers, optical communication, PCB, high-voltage fast charging, AI glasses, robotics, and semiconductors led the gains, while sectors like electricity and banking declined. Over 3,500 individual stocks rose in the two markets, with a transaction amount exceeding 1.2 trillion yuan