贸易摩擦下市场避险情绪升温，产业端关注AIPCB高景气和预制菜集中度提升

Group 1: Trade Relations and Market Sentiment - Recent fluctuations in China-US trade negotiations have heightened market risk aversion, leading to a significant increase in gold prices and a decline in the US dollar index [6][21] - Trade tensions have only altered the flow of trade between China and the US without affecting China's total trade volume, with China's global export share projected to be 14.6% in 2024, up 1.9 percentage points from 2018 [6][7] - The shift in the trade dynamic indicates that the US has fewer options while China is employing more strategies, suggesting a new phase in the China-US competition [13][17] Group 2: Consumer Sector Insights - The pre-prepared food industry is characterized by a diverse range of participants, including upstream raw material suppliers, frozen food companies, specialized pre-prepared food manufacturers, restaurant brands, and platform companies [29][34] - As competition intensifies, market demand is expected to concentrate on companies with scale advantages, leading to increased industry concentration and a "stronger getting stronger" scenario [29][30] Group 3: Hard Technology Sector Insights - The AI industry is driving structural growth in the PCB market, with the global PCB market in AI and high-performance computing expected to reach $6 billion in 2024 and $15 billion by 2029, reflecting a compound annual growth rate of 20.1% [41][42] - The demand for PCBs is primarily driven by three factors: increased capital expenditure in global data centers, innovations in AI server architecture, and heightened technical requirements for PCBs in AI servers [46][50] - The market for various types of PCBs, including single-layer, multi-layer, HDI, and flexible PCBs, is projected to expand significantly, with sales expected to reach $9 billion, $34.5 billion, $16.9 billion, $15.5 billion, and $17.8 billion respectively by 2029 [43][44]