硬·AI 作者 | 董 静 编辑 | 硬 AI 在AI浪潮席卷全球的当下，那些曾被忽视的传统硬件公司，正以惊人的涨幅成为美股市场最闪耀的明星， 但这究竟是AI基础设施建设的"外溢效应"的真实体现，还是泡沫破灭前的最后狂欢？ 在AI热潮推动下，美股市场最亮眼的明星并非前沿科技公司，而是一批传统技术企业。 希捷科技今年飙升 156%成为标普500指数最佳表现股票，竞争对手西部数据以137%涨幅排名第三，美光科技则凭借93%涨 幅位列第五。 据报道，这些成立于Facebook创始人Mark Zuckerberg和OpenAI首席执行官Sam Altman出生前的"无 聊"公司，正受益于AI基础设施建设的巨额投资。大型科技公司每年在半导体、网络设备和数据中心电力 供应方面投入数百亿美元，为训练大语言模型和运行AI工作负载提供支撑。 然而，华尔街对这一现象存在分歧。 多头认为这展现了AI计算需求对广泛业务领域的带动效应，空头则警 告这是股市泡沫的最新迹象 。Jonestrading首席市场策略师Michael O'Rourke表示： 今年，传统硬件公司股价飙升，希捷科技涨156%领涨标普500，西部数据涨137%排第三 ...

Core Viewpoint - Traditional hardware companies have seen significant stock price increases in 2023, driven by massive investments in AI infrastructure from large tech firms, raising questions about whether this reflects genuine demand or a market bubble [1][3]. Group 1: Stock Performance - Seagate Technology's stock surged by 156%, making it the best-performing stock in the S&P 500, while Western Digital and Micron Technology saw increases of 137% and 93%, respectively [1][3]. - These companies, often overlooked, are now benefiting from the AI infrastructure investments that large tech companies are making, amounting to hundreds of billions annually [3][4]. Group 2: Market Sentiment - There is a divide on Wall Street regarding this trend; bulls see it as a sign of AI's broad impact on various sectors, while bears warn it may indicate a stock market bubble [3][6]. - Analysts have noted that the rapid price increases of these stocks exceed expectations, with Seagate trading over 20% above its average target price [6][7]. Group 3: Valuation and Investment Outlook - Despite the stock price surges, the valuations of Seagate, Western Digital, and Micron remain relatively reasonable, with price-to-earnings ratios around 10 times, compared to the S&P 500's expected ratio of 23 times [4][5]. - Benchmark Co. analyst Mark Miller raised Seagate's target price to $250, indicating a potential upside of over 13% from its recent closing price [5]. Group 4: Broader Market Trends - The AI boom is also positively impacting other traditional sectors, with companies like Vistra Corp and Broadcom seeing substantial stock price increases [8]. - Oracle's stock surged by 36% after a strong earnings report, highlighting the growing demand for cloud computing services [9].

Group 1 - The core viewpoint of the articles highlights that traditional hardware companies are experiencing significant stock price increases due to the AI infrastructure investment wave, raising questions about whether this is a genuine market trend or a bubble before a potential crash [1][2]. - Seagate Technology has surged by 156% this year, becoming the best-performing stock in the S&P 500, while Western Digital and Micron Technology have also seen substantial gains of 137% and 93%, respectively [1][2]. - Major tech companies are investing hundreds of billions of dollars annually in semiconductors, networking equipment, and data center power supplies to support AI workloads, benefiting traditional storage manufacturers [1][2]. Group 2 - Despite the stock price surges, the valuations of Seagate, Western Digital, and Micron remain relatively reasonable, with price-to-earnings ratios around 10 times, compared to the S&P 500's expected P/E ratio of 23 times [2]. - Benchmark Co. analyst Mark Miller raised Seagate's target price to $250, indicating a potential upside of over 13% from its recent closing price, citing strong product demand as a key factor [3]. - Concerns about a market bubble are growing, as the rapid stock price increases for these companies exceed analyst expectations, with Seagate trading over 20% above the average target price [4]. Group 3 - The AI hype is also driving stock price increases in other traditional sectors, such as Vistra Corp, which has risen by 53% this year, and Broadcom, which has reached a market capitalization of $1.6 trillion [4]. - Oracle has become the tenth largest company in the S&P 500 due to demand for cloud computing services, with a single-day stock price surge of 36% following its earnings report [5]. - There are warnings that the current AI excitement may be overhyped, similar to the internet bubble, with actual application developments expected to take longer than anticipated [5].

Group 1 - The storage industry has seen a significant transformation, with established companies like Seagate Technology and Western Digital becoming popular among investors, experiencing stock price increases of 156% and 137% respectively over the past year [1] - The surge in demand for AI infrastructure has allowed these traditional companies to emerge as key players, as their hard drives are essential for training AI models, while Micron's high-bandwidth DRAM memory is also crucial for AI computing [1][2] - There are concerns about a potential bubble in the market, drawing parallels to the internet boom of the late 1990s, as secondary and tertiary stocks are rapidly gaining attention in the later stages of the market cycle [1] Group 2 - The surge in AI infrastructure investment is beneficial for chip manufacturers, with major companies like Microsoft and Alphabet investing heavily in hardware to support AI workloads, leading to increased market interest in stocks of companies like Seagate and Western Digital [2] - The prices of memory and hard drives have risen significantly due to the expanding influence of AI, with companies like Micron frequently adjusting product pricing in response to market demand changes, reflecting future demand expectations [2] - While established storage companies are beginning to share in the market benefits brought by AI, concerns about an AI bubble and the rapid pace of stock price increases remain pressing issues for the industry [2]

Core Viewpoint - The market has shifted from a focus on high-tech AI companies to traditional storage firms like Seagate Technology (STX.US) and Western Digital (WDC.US), which have seen significant stock price increases, indicating strong demand for AI computing devices [1] Group 1: Stock Performance - Seagate Technology's stock has surged by 156% this year, making it the best performer in the S&P 500 index [1] - Western Digital follows closely with a 137% increase, while Micron Technology (MU.US) has seen a 93% rise since the beginning of 2025 [1] - These companies, historically low-profile, are now benefiting from the strong demand for AI computing infrastructure [1] Group 2: Market Dynamics - The current market behavior resembles typical characteristics of a bubble, as investors shift focus to lesser-known stocks when leading sectors become overvalued [2] - The infrastructure investments for AI, driven by major tech companies like Microsoft (MSFT.US) and Alphabet (GOOGL.US), have led to a surge in demand for storage solutions [5] Group 3: Company Fundamentals - Seagate, Western Digital, and Micron have historically low valuations compared to the S&P 500, with expected P/E ratios of around 6 to 10 times [8] - Despite recent stock price increases, these companies still maintain lower valuations than the S&P 500's expected P/E ratio of 23 times [8] - Analysts predict Seagate's revenue will grow by 16% in the 2026 fiscal year, while Micron is expected to see a 48% revenue increase this year [11] Group 4: Analyst Sentiment - Wall Street analysts generally hold an optimistic view on Seagate, Western Digital, and Micron, but some suggest it may be time to take profits due to rapid stock price increases [12][13] - Seagate's stock is currently trading above analysts' average target price by over 20%, indicating potential overvaluation [12]