On the morning trading break of December 4, 2025, China's three major A-share indices—the Shanghai Composite Index, the Shenzhen Component Index, and the ChiNext Index—all witnessed upward movements. Specifically, the Shanghai Composite Index edged up by 0.04%, the Shenzhen Component Index advanced 0.35%, and the ChiNext Index surged 0.76%.

The robotics and semiconductor sectors emerged as the frontrunners in the market rally. Notably, stocks like Greatoo Intelligent and Googol Technology soared to their daily price limits. Sanhua Intelligent Control also experienced a robust performance, with its share price spiking over 8%. Meanwhile, Changchuan Technology's stock climbed more than 6%.

On the flip side, the cultivated diamonds and ice-and-snow tourism sectors faced significant headwinds. Bingshan Cold & Hot and Yuanlong Yatu both tumbled over 4%, while Zhongnan Diamond's shares dipped more than 3%.