Nebius Group Stock Plunges 2.43 as $4.25 Billion Trading Volume Slips to 18th Amid Regulatory Scrutiny

On September 10, 2025, , , . , indicating heightened short-term volatility amid mixed market sentiment.

Recent developments suggest market participants are recalibrating positions following a surge in sector-specific regulatory scrutiny. Analysts note that NBIS's performance remains sensitive to macroeconomic signals, particularly as liquidity conditions tighten in key markets. The decline in volume underscores reduced institutional participation, though retail investor activity remains elevated, reflecting divergent short-term positioning.

A back-test of a high-volume trading strategy reveals key insights: from January 3, 2022, to September 9, 2025, , . The strategy involved daily rebalancing of 500 top-volume stocks with equal weighting, . Performance varied by year, , . The methodology assumes zero transaction costs and full adjustment for corporate actions, highlighting the strategy's reliance on broad market exposure rather than alpha generation.