On January 5, 2026, during the midday trading break of the A-share market, all three major indices experienced a collective upswing. The Shanghai Composite Index climbed 1.07% to reach 4,011.45 points, while the Shenzhen Component Index advanced 1.87%, and the ChiNext Index surged 2.15%. Leading the charge were sectors such as insurance, semiconductors, and notably, the brain-computer interface concept, which triggered a flurry of limit-up rallies. Stocks like Xiangyu Medical, Mehao Medical, Aipeng Medical, and East Micro Semiconductor all soared to their daily price limits. Xinhua Insurance witnessed a remarkable surge of over 7%. Conversely, sectors including oil and gas, shipping, and catering tourism faced downward pressure, with PetroChina plummeting over 4%, Phoenix Shipping sliding more than 3%, and Guilin Tourism retreating over 2%.
