政策定调催生新主线，A股跨年行情蓄势待发

Market Overview - A-share market sentiment has improved following a significant meeting, with average daily trading volume increasing to 19,530.44 billion yuan, up by 2,568.66 billion yuan from the previous week [1][4] - The market has maintained a volatile trend in December, with the ChiNext Index and Shenzhen Component Index rising by 2.74% and 0.84% respectively, while the Shanghai Composite Index fell by 0.34% [3] Fund Flows - Institutional and retail investors have shown synchronized net inflows into the consumer sector, while there are divergences in other sectors, with institutions reducing outflows in technology and cyclical manufacturing [6] - Northbound trading volume increased to 2,324.71 billion yuan, up by 397.27 billion yuan from the previous week, indicating a positive shift in market sentiment [5] Sector Performance - The aerospace equipment, communication equipment, and electronic chemicals sectors saw significant gains, with increases of 7.89%, 7.81%, and 6.99% respectively [3] - Conversely, sectors such as coking coal, fisheries, automotive services, oil services, and pharmaceutical commerce experienced declines exceeding 4% [4] Investment Outlook - Institutions anticipate a potential year-end rally in the A-share market, driven by structural market dynamics and capital market reforms [8][9] - Key sectors expected to perform well in 2026 include AI industry trends, advantageous manufacturing, "anti-involution," and structural recovery in domestic demand, with predicted net profit growth exceeding 30% [11] ETF Trends - There is a notable divergence in ETF fund flows, with broad-based ETFs gaining popularity, particularly the A500 ETFs, which attracted significant net inflows [7][8] - The market is expected to see improved liquidity and active trading as institutions reallocate funds towards the end of the year [9]