窄幅震荡，耐心等待靴子落地

Market Overview - A-share market showed a fluctuating and differentiated trend, with major indices mostly declining while the Sci-Tech 50 Index rose against the trend, indicating resilience in the technology growth sector [1][2] - The Hong Kong stock market continued its upward trend, with the Hang Seng Technology Index slightly rising, driven by active performances in sectors like brain-computer interfaces and biotechnology [1][2] Index Performance - A-share indices experienced notable fluctuations, with the Shanghai Composite Index closing at 3856.45 points, down 0.1%, and the Shenzhen Component Index down 0.26% at 12971.8 points; the ChiNext Index fell 0.32% to 3056.3 points, influenced by the new energy industry chain [2] - The Sci-Tech 50 Index surged 1.52% to 1360.78 points, driven by hard technology sectors such as AI chips and computing infrastructure [2] - In the Hong Kong market, the Hang Seng Index rose 0.07% to 26465.87 points, while the Hang Seng Technology Index increased by 0.39% to 6067.05 points, marking three consecutive days of gains [2] Sector Highlights and Driving Logic - The A-share market exhibited a structural characteristic of "technology leading and consumption recovering," with policy-sensitive sectors and industrial transformation aligning [3] - The retail sector led gains, with the Wande Retail Index rising 1.36%, boosted by positive developments in U.S.-China trade talks regarding TikTok [3] - The electronics and computer sectors saw significant gains, with the GPU concept maintaining strength and the logic of domestic substitution for AI chips being reinforced [3] - In the Hong Kong market, technology growth and medical innovation drove performance, with brain-computer interface concepts experiencing a surge following product certifications [3] Underperforming Sectors and Driving Logic - A-share resource cyclical stocks and previously popular sectors collectively retreated, negatively impacting market sentiment; the non-ferrous metals sector fell 2.28% [4] - The lithium battery industry chain weakened for two consecutive days due to intensified competition and rising raw material costs [4] - In the Hong Kong market, cyclical and consumer sectors showed mixed performance, with the materials index dropping 2.96% due to industrial metal price corrections [4] Investment Strategy Recommendations - The current market is at a convergence of an "event vacuum period" and a "policy observation period," with cautious sentiment prevailing ahead of the Federal Reserve's meeting [5] - For A-shares, a focus on "technology independence and consumption recovery" is recommended, particularly in AI computing infrastructure and semiconductor equipment [6] - In the Hong Kong market, structural opportunities in "technology growth and medical innovation" should be seized, with attention on AI applications and core technology barriers [6]