07:30 AM EDT, 10/17/2025 (MT Newswires) -- Artiva Biotherapeutics ( ARTV ) shares were 112% higher pre-bell Friday after the company said late Thursday that the US Food and Drug Administration has granted a fast track designation to AlloNK for the treatment of refractory rheumatoid arthritis in combination with rituximab and that it has prioritized the disease as the program's lead indication.

Carbon Revolution ( CREV ) stock was up 39% following a 4.5% loss in the previous session.

Kezar Life Sciences ( KZR ) shares were 35% higher, a day after the company said it plans to explore its strategic options and implement job cuts.

Safe & Green ( SGBX ) stock was up 28% after the company said it has completed the phase 1 of its artificial intelligence-powered wellsite monitoring system.