Stock Market Today: Nebius Soars on $19.4B Microsoft AI Deal
Nebius Group NV's stock surged 49.4% to $95.72 after announcing a $19.4 billion multi-year deal with Microsoft for GPU cloud infrastructure. Trading volume reached 87.6 million shares, significantly above its average. The broader market also saw gains, with the S&P 500 up 0.27% and the Nasdaq Composite up 0.37%. Other peers like CoreWeave and DigitalOcean also experienced increases, but Nebius's growth was notably higher, driven by excitement over its partnership with Microsoft.
Nebius Group NV (NBIS 49.67%) skyrocketed 49.4% Tuesday to close at $95.72 after hitting a new intraday 52-week high of $98.68. Trading volume spiked to 87.6 million shares, far above its three-month average of 12.2 million, underscoring intense investor interest.
The broader market gained modestly, with the S&P 500 (^GSPC 0.27%) up 0.27% to 6,512.61 and the Nasdaq Composite (^IXIC 0.37%) higher by 0.37% to 21,879.49.
Peers also advanced, though by smaller margins. CoreWeave Inc (CRWV 7.23%) added 7.1% to $100.22, while DigitalOcean Holdings Inc (DOCN 2.61%) rose 3% to $34.32. Nebius's move far outpaced its competitors as excitement centered squarely on its latest partnership.
The jump followed news that Nebius secured a multi-year deal with Microsoft valued at up to $19.4 billion. The contract commits $17.4 billion through 2031 for GPU cloud infrastructure, with the option to expand further. Management highlighted the pact as a milestone that validates Nebius's position as a critical supplier of AI compute. Investors will watch execution on this large-scale partnership and demand trends for cloud AI workloads as the next catalysts.
Market data sourced from Google Finance and Yahoo! Finance on Tuesday, Sept. 9, 2025.
