A股头条：三部门出手！换房退个税政策延至2027年底；财政金融协同促内需；长期股票投资试点再迎增量资金；字节正研发新一代豆包AI耳机

Group 1: Fiscal and Economic Policies - The Ministry of Finance held a video conference to promote a package of fiscal and financial policies aimed at boosting domestic demand, emphasizing the need for streamlined processes and effective policy implementation [1] - A meeting was convened by three departments to address the competitive order in the new energy vehicle industry, stressing the importance of resisting disorderly price wars and ensuring fair competition [2] Group 2: Monetary Policy and Market Operations - The People's Bank of China announced a 900 billion yuan reverse repurchase operation scheduled for January 15, 2026, with a term of six months to maintain liquidity in the banking system [3] Group 3: Technological Advancements and Industry Development - Shanghai aims to achieve large-scale application of high-level autonomous driving scenarios by 2027, supported by a comprehensive action plan to enhance technological innovation and industry competitiveness [4] - The Ministry of Science and Technology plans to accelerate the implementation of key tasks and major initiatives for the "14th Five-Year Plan" period, focusing on strengthening original innovation and high-end industry leadership [12] Group 4: Investment Trends and Market Activity - The establishment of the "Honghu Fund Phase 3" indicates an influx of long-term capital into the insurance asset management sector, with a focus on quality listed companies aligned with policy directions [4] - The A-share market remains active, with trading volumes exceeding 3.5 trillion yuan for three consecutive days, indicating a strong upward trend as long as volumes stay above 3 trillion yuan [11] Group 5: Corporate Developments and Financial Performance - ByteDance is developing a new generation of AI headphones, with production outsourced to GoerTek, highlighting the growing emphasis on audio technology in the consumer electronics sector [6] - The Ministry of Finance and other departments announced an extension of personal income tax policies to support residents in upgrading their housing, effective from January 1, 2026, to December 31, 2027 [13]