希捷科技、西部数据领涨美股！AI外溢还是泡沫迹象？

Core Viewpoint - The article discusses the remarkable stock performance of traditional hardware companies in the context of the AI boom, questioning whether this is a genuine reflection of the AI infrastructure investment or a sign of an impending market bubble [1][2]. Group 1: Stock Performance of Traditional Hardware Companies - Seagate Technology has surged by 156%, becoming the best-performing stock in the S&P 500, while Western Digital and Micron Technology have seen increases of 137% and 93%, respectively [2][4]. - These storage device manufacturers are benefiting from substantial investments by large tech companies in AI infrastructure, with hundreds of billions allocated annually for semiconductors, networking equipment, and data center power [4][5]. - Despite the stock price increases, the valuations of these companies remain relatively reasonable, with Western Digital's price-to-earnings (P/E) ratio below 6, and Seagate and Micron around 10, compared to the S&P 500's expected P/E of 23 [4][5]. Group 2: Market Sentiment and Analysis - There is a divide on Wall Street regarding this phenomenon; bulls see it as a spillover effect of AI computing demand, while bears warn it may indicate a stock market bubble [2][6]. - Analysts have raised target prices for Seagate, with Benchmark Co. setting a target of $250, indicating a potential upside of over 13% from its recent closing price [5]. - The rapid stock price increases have outpaced analyst expectations, with Seagate trading over 20% above the average target price, Western Digital over 10%, and Micron slightly above expectations [7][8]. Group 3: Broader Market Trends - The AI wave has also driven stock price surges in other traditional industries, such as Vistra Corp, which has risen 53%, and Broadcom, which has reached a market cap of $1.6 trillion [9]. - Oracle has become the tenth largest company in the S&P 500 due to demand for cloud computing services, experiencing a 36% single-day surge following its earnings report [9][10]. - Concerns are raised about the potential overvaluation of AI-related products, with warnings that any rapidly rising asset could become a cautionary tale [10].