Shares in Affimed AG gained as much as 28% during trading on Nov. 3 as the company unveiled continued good news from a phase I/II combination trial in CD30-positive lymphoma of its CD30-directed innate cell engager, AFM-13, and allogeneic natural killer (NK) cell therapy, as well as a clinical development partnership with Artiva Biotherapeutics Inc., which will provide it with access to a commercially scalable source of NK cells as the program matures.