Thursday’s Stock Highlights: Generac (GNRC), Nebius, and Fluence Energy Make Major Moves

Key Takeaways Generac soared 33% following announcement of massive backup-power agreement with Amazon worth up to $8 billion for data center facilities Nebius climbed 8% on price increase announcement, boosting competitors Iren and CoreWeave Fluence Energy plummeted 16% following sharp reduction in annual revenue forecast from $3.1 billion to $2.4 billion Major gainers on Wednesday included GE Vernova, SpaceX, and AMD among mega-cap stocks Lennar declined more than 2% after reducing home delivery projections for the second time due to interest rate challenges Generac Holdings emerged as Thursday’s top performer, with shares skyrocketing 33% following disclosure of a major long-term partnership with Amazon to supply backup-power generation systems for their data center infrastructure. The arrangement encompasses $2.4 billion in initial generator shipments scheduled for 2027 and 2028. Combined payments to Generac and its international partners could total up to $8 billion, based on securities filings. Under the terms of the partnership, Generac granted an Amazon subsidiary warrants to acquire up to 1.69 million shares with an exercise price of approximately $200.93 per share. Neocloud Providers Rally Nebius Group shares climbed 8% during premarket hours following the neocloud provider’s announcement of price increases. The decision provided a boost to competitor stocks including Iren and CoreWeave. Vicor Corporation advanced 10% after revealing a licensing agreement with an undisclosed OEM for its Vertical Power Delivery technology designed for advanced AI processors. Specific financial details of the arrangement were not made public. Among decliners, Fluence Energy tumbled 16% after dramatically reducing its annual revenue projection to $2.4 billion, down from previous expectations of $2.9 billion to $3.1 billion. The firm also revised its adjusted EBITDA outlook to an approximately $200 million loss for the fiscal year, versus prior estimates of roughly a $10 million loss. Fluence attributed the shortfall to supply chain complications and setbacks in scaling up contract manufacturing facilities in Houston. Management emphasized that customer demand remains robust and that measures have been implemented to boost daily production capacity. Viant Technology declined 10% following announcement of a public offering involving 8.5 million Class A shares from an existing stockholder. The company indicated it would not receive any funds from the standard offering. Wednesday’s Top Performers and Decliners Wednesday witnessed significant volatility across various market capitalizations. GE Vernova increased nearly 6%, while SpaceX advanced over 5% and AMD rose 4%. Arista Networks posted a 3% gain, while Coherent and Credo Technology each recorded approximately 7% increases. Conversely, Exxon Mobil declined 2.7% and Chevron retreated 2.2%. J.B. Hunt Transportation suffered a 13% drop, representing one of the most significant losses among major companies. Within smaller-cap stocks, LuxExperience surged over 25% on stronger-than-expected revenue despite an earnings miss. Gloo Holdings rallied nearly 25%.