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 — The biotech stock rallied 13% on the release of positive trial data for daraxonrasib, a drug aimed at treating pancreatic cancer. 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 …
