Check out the companies making the biggest moves midday: Revolution Medicines — The biotech stock rallied 13% on the release of positive trial data for daraxonrasib, a drug aimed at treating pancreatic cancer. The company plans to begin a phase 3 trial in the fourth quarter based on the latest findings. Delta Air Lines — The airline fell more than 3% after the company reiterated its third-quarter earnings per share guidance. Delta sees a profit between $1.25 per share and $1.75 per share. Micron Technology — Shares of the semiconductor manufacturer jumped more than 9% after Citi reiterated its buy rating on the company while also hiking its price target on the stock. The firm said it expects better-than-expected demand from the data center end market to help drive “decent results and well above consensus guide” from Micron ahead of the company’s fiscal fourth-quarter earnings release due Sept. 23. Centene — Shares jumped 12% after the health insurance firm reaffirmed its annual earnings outlook issued in July. The company also shared that its Medicare plans’ quality ratings are in line with expectations. Opendoor Technologies — The meme stock soared 65% after the online real estate platform named Shopify executive Kaz Nejatian as its next CEO . Former chief executive Carrie Wheeler resigned last month under pressure from investors. Oxford Industries — The Tommy Bahama and Lilly Pulitzer parent jumped 22% after its second-quarter adjusted earnings per share topped expectations. Oxford said it now anticipates less of an effect from tariffs this year than previously expected. Alibaba — U.S.-listed shares of the Chinese e-commerce company moved 4% higher following Alibaba’s plan to offer $3.2 billion in zero coupon convertible senior notes maturing in 2032. The company said the bulk of the proceeds will fund the strengthening of its cloud infrastructure and international operations. Oracle — The cloud giant added 2.6% following its gangbuster day on Wednesday . Shares rallied nearly 36%, its best day since 1992 after Oracle’s earnings report and artificial intelligence projections. It now has a $922 billion market cap. Kroger — The grocery chain gained 2% after reporting mixed financial results. Second-quarter adjusted earnings came in at $1.04 per share, topping the 99 cents expected from analysts polled by LSEG. Its revenue of $33.94 billion came in below the $34.10 billion consensus estimate. Celsius Holdings — The energy drink stock climbed 2.7% following Goldman Sachs’ initiation at buy . Goldman said Celsius has posted strong growth and is in a quickly growing category. Chewy — The online pet retailer added 2%, after its 16% drop on Wednesday. Chewy reported a steep year-over-year drop in earnings, but Deutsche Bank upgraded the stock Thursday. The firm said the company continues to drive meaningful industry share gains and sees an acceleration in revenue growth in 2026. Thermo Fisher Scientific — Shares of the life sciences research company rose 2% after an upgrade at Barclays to overweight from equal weight. The firm said absolute and relative valuation has reached more attractive levels. Synopsys — Shares gained 10%, a day after losing 35% on the back of its earnings report. The semiconductor tool supplier earned $3.39 per share on revenue of $1.74 billion, falling short of the LSEG consensus estimate of $3.74 per share on $1.77 billion in revenue. — CNBC’s Alex Harring, Liz Napolitano, Michelle Fox and Sarah Min contributed reporting. (Learn the best 2026 strategies from inside the NYSE with Josh Brown and others at CNBC PRO Live. Tickets and info here .)