Stocks making the biggest moves premarket: CoreWeave, Nvidia, NextNav & more

Jonathan Raa | Nurphoto | Getty ImagesCoreWeave surged in premarket trading Wednesday, as investors breathed a sigh of relief after the struggling neocloud reported better-than-expected third quarter results.Nvidia also rose as the chipmaker tries to recover from steep back-to-back losses. Follow below as CNBC covers the biggest stock market moves of the day. Talen Energy stock rises on deal that offers revenue visibilityCheng Xin | Getty Images News | Getty ImagesTalen Energy stock advanced nearly 5% in the premarket trading Wednesday. It comes after the power producer and energy infrastructure company announced a seven-year agreement to sell 750 megawatts of capacity to an investment-grade counterparty. Talen Energy is expected to generate about $100 million per year in revenue through 2036. That should lead to about $1 billion of cumulative capacity revenue visibility from these megawatts.— Paulina LikosNextNav rallies after loss narrows and cash growsNextNav, the ground-based backup for GPS, climbed 9%. Third-quarter revenue nearly doubled from the same period a year ago, while the quarterly loss narrowed to 4 cents a share from 12 cents last year. Cash, cash equivalents and short-term investments on hand rose to $264.1 million on Sept. 30 from $152.1 million on Dec. 31, the company said.Based in Reston, Virginia, NextNav is down 50% in 2026 and has a market value of about $1.5 billion, according to FactSet data.Stock Chart IconStock chart iconNextNav has been cut in half in 2026— Scott SchnipperNvidia jumps after back-to-back losing sessionsNvidia jumped 5%, recovering some of the sharp losses seen earlier this week after CEO Jensen Huang confirmed he had an affair with an alleged Chinese spy. The chipmaker entered Wednesday's session down nearly 10% week to date. Stock Chart IconStock chart iconNVDA 5-day chart— Fred ImbertCoreWeave rises on Q3 beat, guidance increaseCoreWeave shares surged 13% after the neocloud company reported third-quarter revenue that exceeded analyst expectations along with a smaller-than-expected loss.The company's top line came in at $3.66 billion, marking a 168% surge from the year-earlier period. Analysts polled by LSEG expected revenue of $3.55 billion. CoreWeave also hiked its full-year revenue outlook. Stock Chart IconStock chart iconCRWV year to date— Fred Imbert