Zhong Guo Ji Jin Bao·2026-01-05 05:09Market Overview - The A-share market saw a strong opening on January 5, with the Shanghai Composite Index returning to 4000 points, closing at 4011.45, up 1.07% [1] - The Shenzhen Component Index rose by 1.87%, and the ChiNext Index increased by 2.15% [1] Trading Volume - The total trading volume in the Shanghai and Shenzhen markets reached 1.64 trillion yuan, an increase of 323.8 billion yuan compared to the previous trading day [3] Stock Performance - A total of 4064 stocks rose, with 99 stocks hitting the daily limit, while 1236 stocks declined [3] - The sectors that performed well included insurance, medical devices, semiconductors, and gaming, with brain-computer interface concept stocks experiencing significant gains [3] Sector Highlights Brain-Computer Interface - Brain-computer interface stocks surged, with several companies hitting the daily limit [6] - Notable performers included Xiangyu Medical, Guanhao Biological, Meihua Medical, Aipeng Medical, and Lepu Medical, all recording a 20% increase [6][7] - Elon Musk's Neuralink announced plans for large-scale production of brain-computer interface devices by December 31, 2026, which is expected to revolutionize the field by reducing invasiveness [9] Semiconductor Sector - The semiconductor sector also showed strength, with multiple stocks reaching their daily limit [10] - Key performers included Dongwei Semiconductor and *ST Tianlong, both achieving a 20% increase [11] - TSMC announced it received U.S. government approval to import chip manufacturing equipment to its Nanjing facility in 2026, which is a positive development for the sector [12] Insurance Sector - The insurance sector experienced a rally, with significant gains from major companies [13] - Xinhua Insurance rose by 7.53%, China Pacific Insurance by 6.16%, and China Life Insurance by over 5% [13][14] - The insurance industry reported a total premium income of 57.629 billion yuan for the first 11 months of 2025, a year-on-year increase of 7.6% [14]