电子行业周报：Marvell强调定制计算将引领AI芯片革命，DDR4内存价格罕见暴涨-20250622

Investment Rating - The report maintains a "Buy" rating for several companies, including 德明利 (Demingli), 天孚通信 (Tianfu Communication), 新易盛 (Xinyi Sheng), and 太辰光 (Taicheng Light) [10][22]. Core Insights - Marvell emphasizes that customized computing will lead the AI chip revolution, with a significant increase in the projected total addressable market (TAM) for data centers from $75 billion to $94 billion by 2028, with a compound annual growth rate (CAGR) of 47% for custom XPU chips [5][20]. - DDR4 memory prices have surged nearly 8% in a single day, marking the largest daily increase in nearly a decade, driven by supply constraints and panic buying [8][21]. Summary by Sections Market Performance - The electronic industry saw a 0.95% increase from June 16 to June 20, ranking third among sectors, with a price-to-earnings (P/E) ratio of 49.86 [2][31]. - The semiconductor equipment and printed circuit board segments experienced the highest gains during this period [35]. Company Focus and Earnings Forecast - Marvell has secured 18 custom projects and is in discussions for over 50 more, with potential revenue scaling up to $75 billion [5][20]. - The report suggests focusing on AI computing-related stocks such as 胜宏科技 (Shenghong Technology), 沪电股份 (Hudian Co.), and 深南电路 (Shennan Circuit) [7][20]. DDR4 Memory Market Dynamics - The average price for DDR4 8Gb and 16Gb models increased by 7.8% and 7.9%, respectively, returning to early 2022 levels [8][21]. - The report anticipates that if major manufacturers continue to reduce DDR4 supply, high price volatility may become the new norm [8][21]. Key Companies and Valuation - The report includes a detailed table of key companies with their earnings per share (EPS) and P/E ratios, highlighting companies like 兆易创新 (Zhaoyi Innovation) and 源杰科技 (Yuanjie Technology) with "Buy" ratings [10][22].