开年大涨！刚刚，重回4000点！

Market Overview - The A-share market opened strongly on January 5, 2026, with the Shanghai Composite Index returning to the 4000-point level, gaining 35.16 points or 0.89% [2][3] - The ChiNext Index rose over 1%, while the Sci-Tech 50 Index saw an increase of 3.22% [3] Sector Performance - The brain-computer interface (BCI) concept stocks surged, with several stocks hitting the daily limit up, including Meihua Medical, Xiangyu Medical, and Aipeng Medical, all achieving a 20% increase [6][10] - Other active sectors included internet, semiconductor, and gaming, while sectors like catering, tourism, aviation, and duty-free experienced fluctuations [2][4] Notable Stocks - Kuaishou saw a significant rise of over 10%, while Bilibili, Lenovo Group, and SMIC also experienced gains [5][6] - In the BCI sector, notable performers included: - Aipeng Medical: 20% increase, market cap of 4.2 billion - Meihua Medical: 20% increase, market cap of 16.41 billion - Xiangyu Medical: 20% increase, market cap of 11.6 billion [7][9] Gaming Sector - The gaming sector experienced a broad rebound, with Sanqi Interactive Entertainment hitting the daily limit up, and other companies like Tom Cat and Kejing Network also seeing significant gains [10][11] - WeChat Mini Games announced a new incentive policy for developers, enhancing support for quality game content starting January 1, 2026, with incentives exceeding 100% for newly launched games [12] Medical Sector - The healthcare sector saw a rise, with Beiyikang hitting a 30% limit up, and other companies like Weisi Medical and Kangtuo Medical also showing strong performance [8][9]