Check out the companies making the biggest moves in intraday trading: Fannie Mae, Freddie Mac — Shares of mortgage finance companies rose after Pershing Square Capital Management’s Bill Ackman told X-Post late Sunday that the stock was “ridiculously cheap.” The billionaire investor suggested the stock could rise tenfold. Shares of the Federal Home Mortgage Association (Fannie Mae) and the Federal Home Loan Mortgage Corporation (Freddie Mac) each rose more than 30% in Monday trading. Boston Scientific — The medical device company’s stock fell more than 9% after Raymond James downgraded the company to outperform from a strong buy after forecasts fell short of Wall Street consensus. The company said trends are weakening in key growth areas. PALO ALTO NETWORKS — Shares of the cybersecurity developer rose more than 7% after CEO Nikesh Arora said Friday he had purchased $10 million worth of stock on the open market. United Therapeutics — The company’s stock rose nearly 13% to a 52-week high after the company announced encouraging results from a Phase 3 clinical trial for its flagship product Tyvaso. United Therapeutics said it will seek priority review from the Food and Drug Administration to expand the drug’s labeling to include idiopathic pulmonary fibrosis, a progressive lung disease. Tivaso already treats two types of pulmonary hypertension. Alternative Asset Managers — The Department of Labor has proposed rules that would allow 401(k) plans to more easily include alternative assets such as virtual currencies, real estate, and private market assets. The alternative asset management company’s stock price rose on the news. Blackstone and Carlyle rose more than 4%, while Blue Owl and Apollo Global rose more than 3%. Sysco — The food wholesaler fell more than 11% after agreeing to acquire Jetro Restaurant Depot for a total enterprise value of $29.1 billion. The transaction is expected to close in Cisco’s third quarter of fiscal 2027, and the company says it is “immediately accretive.” However, investors are focused on the debt involved in the deal. Avis — Shares fell more than 3% after surging more than 48% last week. Rental car companies were expected to benefit from the disruption at U.S. airports due to the Department of Homeland Security’s funding impasse, but investors on Monday appeared to be taking some of the profits from Avis’s sharp rise. ALCOA — Aluminum companies rose more than 9% as aluminum prices rose more than 4.5% after the metal’s critical infrastructure in the Middle East was hit by an Iranian missile attack. CrowdStrike — Shares of the cybersecurity giant rose more than 4% after gaining some support from analysts on the street. Wolf Research upgraded the stock to Outperform, saying CrowdStrike would benefit from artificial intelligence increasing cyber risks rather than disrupting its business model, while Morgan Stanley named it a top priority. CrowdStrike had fallen more than 21% in 2026 on concerns that AI would replace cybersecurity technology. — CNBC’s Christina Cheddar-Burke, Fred Imbert and Nick Wells contributed reporting.
