上证指数重返4000点，保险股领涨，脑机接口、半导体题材活跃，全市场近4000只个股上涨

Market Performance - A-shares opened higher and continued to rise, with the Shanghai Composite Index up 0.88% at 4003.91 points, the Shenzhen Component Index up 1.51% at 13729.44 points, and the ChiNext Index up 1.83% at 3261.66 points, while the Sci-Tech 50 Index rose 3.22% to 1387.44 points [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1,148.045 billion yuan, with nearly 4,000 stocks rising across the market [1] Sector Performance - The insurance sector led the gains, with the Brain-Computer Interface Index rising by 8.21%, the Insurance Select Index by 5.76%, and the Medical Device Select Index by 5.24% [2] - Other notable sectors included the Storage Index up 4.82%, CRO Index up 4.34%, and Semiconductor-related indices showing significant increases [2] Investor Sentiment and Predictions - CITIC Securities noted that the biggest expectation difference for 2026 lies in balancing external and internal demand, suggesting that imposing "tariffs" and subsidizing domestic demand is a trend [2] - Huatai Securities indicated that the positive performance of overseas Chinese stocks during the holiday positively influenced investor sentiment, although geopolitical issues could complicate short-term market predictions [2] - CITIC Jiantou pointed out that post-holiday, investor risk aversion is easing, and there is a shift towards actively seeking opportunities, increasing the likelihood of continued upward trends in A-shares [3] Policy and Economic Outlook - The national fiscal work conference has set a positive macro policy tone, and the 2026 national subsidy plan is expected to boost consumer sentiment, creating a favorable environment for cyclical sectors [3] - The focus on technological innovation and new growth drivers remains a key aspect of China's high-quality transformation under the 14th Five-Year Plan, supported by a relatively loose overseas environment [3]