Check out the companies making headlines before the bell. Arcellx — The biotech stock surged 78% after Gilead Sciences said Monday it agreed to acquire Arcellx for $7.8 billion, offering $115 per share in cash at closing and one contingent value right of $5 per share. Arcellx focuses on immunotherapies for patients with cancer and others with incurable diseases. The deal is expected to close in the second quarter. Novo Nordisk , Eli Lilly — Novo Nordisk sank 14% after its weight-loss drug CagriSema failed to match Eli Lilly’s in a recent trial. Eli Lilly shares rose nearly 3%. Domino’s Pizza — The pizza chain gained 4% after U.S. sales for the fourth quarter grew 3.7%, topping a FactSet consensus estimate of 3.1%. Overall revenue for Q4 also beat expectations, coming in at $1.54 billion versus the $1.52 billion estimate. Fortune Brands Innovations — The stock jumped 4% after The Wall Street Journal reported that investor Ed Garden built a stake in Fortune Brands and seeks to replace the company’s incoming CEO.