Check out some of the companies making the biggest moves at midday: Oracle — The database software giant’s stock fell another 6% after the company filed a plan for new stock and additional debt on Monday to fund its artificial intelligence buildout. Oracle plans to sell $10 billion in common stock and $10 billion in senior debt, according to a filing with the Securities and Exchange Commission. IDEXX Laboratories — Shares rose 20% after the animal diagnostic company beat third-quarter revenue and earnings estimates, driven by growth in its companion animal group. IDEXX’s third quarter sales were $1.21 billion, an increase of 10% year over year. IDEXX also raised its 2026 sales and profit forecasts, while lowering its operating margin outlook. Tempus AI — Shares of the precision medicine company rose nearly 12% after third-quarter earnings, revenue and adjusted EBITDA beat Wall Street expectations. Revenue increased 23% to $411.5 million, with data and applications increasing 33% and oncology revenue growth accelerating to 32%. Tempus also raised its 2026 revenue forecast and reiterated its adjusted EBITDA outlook. SpaceX — SpaceX shares rose more than 3% after the Washington Post reported that the rocket and satellite company is in talks to acquire Dish Network subsidiary Boost Mobile or use its network. If the deal goes through, Chief Executive Officer Elon Musk will open the door to a $235 billion wireless market, the paper said. Rivian — Shares rose 10% after the electric car maker was upgraded to acquisition status at UBS. Analyst Joseph Spak said Rivian’s recent decline presents a buying opportunity ahead of an inflection point in sales of the R2 midsize SUV. Micron, SanDisk, Western Digital — Memory stocks fell, continuing Friday’s weakness. Shares of Micron, SanDisk and Western Digital fell 3% to 5%. Lumentum, Marvell Technology — Marvell stock fell 9% and Lumentum stock fell 15% after Marvell agreed to acquire the high-performance laser maker in an all-stock deal worth $115 billion. The transaction is expected to close in the first half of 2028. ExxonMobil, Chevron, Valero — Energy stocks fell after oil prices fell earlier in the week. Shares of ExxonMobil, Chevron and Valero all fell 3% to 5%. Crystal Biotech — Shares plunged nearly 15% after the company announced that data for several treatments would be delayed to 2027, including data for KB801, a gene therapy drug for neurotrophic keratitis. News of the delay overshadowed third-quarter sales and bottom line growth against FactSet consensus estimates. — CNBC’s Sarah Ming, Deena Zaidi, Darla Mercado and Fred Imbert contributed reporting.
