On January 9, 2026, the A-share market displayed a trend of volatility with an overall upward trajectory. The Shanghai Composite Index commenced trading on a positive note, swiftly surpassing the 4,100-point milestone and ultimately closing with a 0.92% increase. Meanwhile, the Shenzhen Component Index advanced by over 1%, and the ChiNext Index registered a 0.77% gain. The cumulative trading volume on the Shanghai and Shenzhen stock exchanges soared to RMB 3.12 trillion, achieving a historic milestone as it crossed the RMB 3 trillion mark for only the fifth time ever and the inaugural occasion in 73 trading sessions. A broad spectrum of over 3,900 stocks witnessed price appreciations, with more than 100 stocks reaching their daily price limits for two consecutive days. Analyzing sectoral performances, AI application-related stocks experienced a synchronized rally, the commercial aerospace sector maintained its vibrancy, the controllable nuclear fusion sector sustained its robust momentum, whereas the brain-computer interface sector encountered a downturn.