Key TakeawaysShares of Nebius Group (NBIS) tumbled more than 13% following a Bloomberg report that Meta is launching a cloud computing venture to monetize surplus AI infrastructure.The anticipated “Meta Compute” division would directly challenge neocloud operators such as Nebius and CoreWeave.Meta is exploring an AWS Bedrock-style offering that would provide hosted access to AI models, including its proprietary Muse Spark technology.A robust employment report from the U.S. also weighed on high-valuation technology stocks by reducing expectations for Federal Reserve rate reductions.Despite climbing nearly 230% this year, Nebius confronts intensifying challenges from elevated debt levels, substantial capital requirements, and an extended valuation.Shares of Nebius Group experienced a dramatic decline on Wednesday, plummeting more than 13% as the AI infrastructure provider faced dual headwinds simultaneously.Nebius Group N.V., NBISThe initial catalyst emerged from a Bloomberg report revealing that Meta Platforms is constructing a cloud computing operation to monetize surplus AI computational resources by offering them to external clients. This development triggered approximately 10% losses in NBIS shares during pre-market hours.Meta’s initiative, dubbed Meta Compute, aims to create a new revenue stream by leveraging the company’s expanding AI infrastructure footprint. This move positions Meta as a direct rival to neocloud companies—a sector where Nebius operates.Among Meta’s proposed strategies is providing managed access to AI models, mirroring the functionality of AWS Bedrock. This approach would encompass Meta’s Muse Spark models, allowing developers to purchase access while Meta maintains the supporting infrastructure, including data centers and processing hardware.Meta is additionally exploring the sale of raw computational power. Either approach marks the social media behemoth’s entry into territory that forms the foundation of Nebius’s operations.NBIS shares entered Wednesday trading at premium valuations. The stock’s remarkable 230% gain year-to-date had pushed its market capitalization to approximately $69.5 billion—a lofty level that provided minimal cushion for adverse developments.Employment Data Compounded LossesThe secondary pressure originated from macroeconomic factors. Better-than-anticipated U.S. employment figures pushed back market expectations for Federal Reserve interest rate cuts, creating headwinds for high-growth, capital-hungry technology companies.Rising rate expectations typically prompt investors to liquidate premium-valued growth equities first. Nebius, given its aggressive spending profile and expanding debt obligations, matched that description perfectly.The downturn also reflected a “sell the news” dynamic. Nebius had recently secured inclusion in the Nasdaq-100 index, a development that frequently precedes temporary price peaks as index-driven purchasing subsides.Scrutiny Intensifies on Nebius’s Operating ModelNebius operates an AI-focused cloud infrastructure platform, with its long-term investment thesis centered on expanding recurring revenue streams—indicators that clients are maintaining relationships and generating more stable cash flow patterns.However, the enterprise demands continuous substantial capital investment. Any implementation setbacks or budget overruns could compress profit margins during a period when market tolerance for capital-intensive growth narratives is diminishing.This dynamic has gained heightened attention. Meta’s emergence as a financially robust competitor escalates competitive pressures for all neocloud participants.Nebius isn’t experiencing this challenge in isolation. Other hyperscaler-adjacent and neocloud equities also retreated following the Meta announcement.Daily trading volume for NBIS typically exceeds 17 million shares, and Wednesday’s activity was tracking significantly above this benchmark.Based on current technical indicators, NBIS maintains a “Buy” sentiment classification, although the company’s valuation metrics and macroeconomic pressures have clearly unsettled investor sentiment.The post Nebius (NBIS) Stock Plunges 13% Following Meta’s Cloud Computing Announcement appeared first on Blockonomi.