Zhi Tong Cai Jing·2025-12-25 09:13Core Insights - Nvidia has been a major player in the AI computing infrastructure sector, but five other tech stocks focused on AI data centers have shown even more remarkable growth in 2025 [1][2] - The AI infrastructure spending by major tech companies like Amazon, Microsoft, Google, and Meta is projected to reach approximately $380 billion in 2025, with a potential 50% increase in 2026 [3] - The semiconductor market is expected to see significant growth, with a projected total value of $772.2 billion in 2025 and $975.5 billion in 2026, driven by AI infrastructure demands [7][6] Group 1: AI Computing Stocks - Lumentum is highlighted as a key winner in the AI computing supply chain, with its stock price increasing nearly 400% in 2025, driven by demand for optical components in AI data centers [1][11] - Western Digital's stock has surged nearly 300% in 2025, as AI data centers require massive storage solutions for large datasets [14][15] - Micron Technology, as a major U.S. memory chip manufacturer, is benefiting from the AI infrastructure boom, with its stock price rising approximately 240% in 2025 [17][20] Group 2: Market Trends and Projections - Analysts predict that the semiconductor industry will experience a "super cycle," with significant growth in AI chip, storage, and optical interconnect sectors [4][5] - The global AI infrastructure investment wave is expected to reach $3 trillion to $4 trillion by 2030, indicating a long-term growth trajectory for AI-related investments [5][19] - The demand for high-performance storage solutions, particularly HBM and SSDs, is expected to continue to rise, with Micron and other storage companies positioned to benefit significantly [18][21] Group 3: Company-Specific Developments - Celestica, a key player in manufacturing high-performance network switches for AI data centers, has seen its stock rise over 230% in 2025 [27][28] - Seagate's stock has increased by 231% in 2025, driven by the growing demand for HDDs and SSDs in AI data centers [23][25] - The competitive landscape between Google and OpenAI in the AI computing space is expected to benefit companies like Lumentum and Western Digital, as both companies require advanced storage and optical interconnect solutions [10][12]