不是英伟达！2025年AI交易最大赢家是它

Core Viewpoint - The investment theme in artificial intelligence (AI) is shifting from chip giants to a broader range of industries, particularly in technology infrastructure and related sectors [1][2]. Group 1: Technology Infrastructure - Investors are increasingly purchasing stocks of "picks and shovels" companies in the technology infrastructure sector, as large cloud service providers invest billions in new data centers [2]. - The beneficiaries of the current AI investment cycle have expanded beyond companies like Nvidia to include data storage, power supply, and construction contracting sectors [3]. - Data storage companies dominated the S&P 500 index performance in 2025, with SanDisk's stock soaring nearly 580%, making it the best-performing stock in the index [3]. Group 2: Power Supply and Cable Production - AI-related power suppliers and manufacturers of cables and fibers, such as Amphenol Corp., Corning Inc., NRG Energy Inc., and GE Vernova Inc., have also made it to the top 25 performers [5]. - Nvidia, once a top performer, saw only a 40% increase in 2025, ranking 71st in the S&P 500 index, indicating a shift in market dynamics [5][7]. Group 3: Data Storage Sector Outlook - Analysts expect the data storage sector to remain strong through 2026, although the current boom may be nearing its end [8]. - The average target price for SanDisk in 2026 is projected at $264, reflecting an approximate 8% increase from its current price of $244 [8]. - Companies like Pure Storage Inc. are anticipated to have greater upside potential, with a projected increase of 38% from its current price of $68 to $94 by 2026 [8]. Group 4: Construction and Power Stocks - Stocks related to data center construction and power supply are expected to continue their upward trend, with Quanta Services Inc. being a preferred choice among investors [10]. - Other notable contractors include MYR Group Inc., Primoris Services Corp., and MasTec Inc. [10]. Group 5: Cooling Systems and Software - Companies providing precision cooling, ventilation, and air conditioning systems for data centers are in demand, with Vertiv Holdings Co. expected to rise by 40% in 2025 [14]. - The software sector, while underperforming this year, is viewed as a long-term beneficiary of AI advancements, with companies like Snowflake Inc., Datadog Inc., and ServiceNow Inc. being highlighted for their attractive valuations [16].