NEBIUS (NBIS) stock plummeted 5.38% during intraday trading on Monday, extending recent losses for the systems software company. The decline reflects ongoing pressure from multiple headwinds facing the stock.

The stock's weakness is driven by broad-based selling across the Systems Software sector, with major peers like Oracle, CrowdStrike Holdings, and Palo Alto Networks also experiencing declines. Additionally, market sentiment remains cautious due to competitive concerns stemming from Meta's plan to build an internal Meta Compute division to commercialize surplus cloud computing capacity externally.

Further weighing on investor sentiment, the options market has seen large-scale bearish positioning with institutional funds showing net bearish bets exceeding $18 million, signaling continued cautious outlook among short-term traders. The stock has cumulatively retreated over 20% since early July as these competitive concerns have persisted, despite some analysts noting that Meta may lack excess computing capacity available for external sale.