4000点的“开门红” ，机构抛出 “春季躁动”预期与主线

Group 1 - The A-share market experienced a strong opening on the first trading day of 2026, with the Shanghai Composite Index surpassing 4000 points, closing up 1.38% at 4023.42 points [1] - Various sectors such as AI, insurance, and pharmaceuticals showed significant activity, with brain-computer interface stocks seeing a surge, including companies like BeiYikang and Sanbo Brain Science reaching their daily limit [1] - The AI application sector saw a notable explosion in the afternoon, with multiple companies hitting their daily limit, indicating strong investor interest and market momentum [1] Group 2 - Recent positive developments in the AI industry include Neuralink's announcement of large-scale production of brain-computer interface devices in 2026, marking a significant breakthrough in AI's integration with biological intelligence [2] - Domestic company Aowei New Materials launched the world's first "backpack-level" humanoid robot, promoting the development of embodied intelligence at lower costs [2] - The financing of over 50 million yuan by Silicon Valley startup Traini for its AI pet collar project expands the boundaries of AI in vertical consumer scenarios, enhancing the emotional interaction and health management service chain in the pet market [2] Group 3 - There is an increasing expectation for a "spring rally" in 2026, driven by favorable factors such as improved overseas conditions, currency appreciation, and proactive domestic policies [3] - The current A-share market is seen as entering a prelude to the "spring rally," characterized by structural leadership and opportunity rotation, unlike previous broad market rallies [3] - The technology sector is expected to maintain its leading position in the market, supported by high-risk appetite and favorable liquidity conditions [3][4] Group 4 - The current market risk appetite remains high, providing room for high-elasticity technology themes to continue their upward trajectory [4] - Despite the technology sector's overall valuation being relatively high, it has not yet reached a frenzy stage, indicating potential for further growth [4] - The strong performance of the AI sector in the US stock market is providing valuation support for corresponding sectors in the A-share market [4]