Check out the companies making the biggest moves midday: Financials — The financials sector of the S & P 500 slid more than 3% in midday trading, the worst performer in the broad market. Alternative asset managers KKR and Blackstone slid roughly 9% and 7%, respectively, after activist hedge fund Saba Capital Management and Cox Capital Partners said they plan tender offers to buy stakes in a trio of Blue Owl credit funds. Blue Owl shares were last off more than 5%. American Express dropped more than 7%, and Goldman Sachs fell nearly 4%. Cybersecurity — Anxiety over artificial intelligence shook up cybersecurity stocks, on the heels of Anthropic adding a new security capability to its Claude AI late last week. The Global X Cybersecurity ETF (BUG) tumbled 4%. CrowdStrike and Zscaler fell 10%, Fortinet and Okta dropped more than 5%. International Paper — The packaging and pulp products maker dropped more than 5%. Fastmarkets RISI on Friday said pricing for domestic containerboard declined $20/ton in February, according to a Dow Jones report. Smurfit Westrock and Packaging Corporation of America each fell more than 6%. Docusign — Shares of the agreement management platform tumbled nearly 8% after a downgrade from Jefferies on Monday to a hold from buy. The investment bank wrote that double-digit growth reacceleration won’t come soon and it believes Docusign’s new AI-powered agreement management platform needs to prove itself. DoorDash — The delivery platform sank 6%. DoorDash had to temporarily suspend operations in several locations, including New York and Philadelphia, due to the massive East Coast blizzard. ImmunityBio — The San Diego-based clinical stage immunotherapy company surged 12%. ImmunityBio reported 700% year-over-year revenue growth , expanded Anktiva approvals for lung cancer, global label expansion plans and global commercial partnerships. Veris Residential — The real estate investment trust, which owns office space and other properties primarily in the Northeast, agreed to be bought by a consortium led by Affinius Capital for $19 a share in cash. Veris jumped 12% Monday. Novo Nordisk , Eli Lilly — Novo Nordisk sank 15% after its weight loss drug CagriSema failed to match Eli Lilly’s in a recent trial. Eli Lilly shares rose almost 5%. Domino’s Pizza — The pizza chain gained 3% after U.S. fourth-quarter sales 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 added about 2% after The Wall Street Journal reported that investor Ed Garden built a stake in the maker of Moen faucets and Master Lock padlocks, seeking to replace the company’s incoming CEO. VF Corp — The stock tumbled nearly 8% after the global apparel, footwear and accessories company was downgraded by JPMorgan. The analysts said that Vans’ brand recovery could take longer, with sales to wholesalers and direct-to-consumer stores seemingly poised for a double-digit decline. Software stocks — Several software stocks fell after being downgraded to hold by Jefferies. The investment bank noted that the stocks exhibited more persistent risk and negative sentiment, based on its analysts’ artificial intelligence risk framework, and other company-specific factors. Monday.com , Freshworks and Workday all slid about 8%. Arcellx — The biotech stock surged 78% after Gilead Sciences said Monday it agreed to acquire Arcellx for $7.8 billion, or $115 per share in cash, plus 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. Airline stocks — United Airlines and American Airlines fell around 5%, and Delta Air Lines lost almost 4%. The airlines canceled thousands of flights flights across the U.S. due to the East Coast blizzard. In Long Island, New York, about 20 inches of snow were reported to have fallen, according to the New York Times . — With additional reporting by CNBC’s Michelle Fox, Darla Mercado, Davis Giangiulio and Liz Napolitano