Check out the companies making headlines in midday trading: Tesla — Shares jumped more than 10% after Tesla rolled out its robotaxi service in Austin, Texas, over the weekend. Wedbush analyst Dan Ives said a ride in the taxi exceeded his expectations . However, some analysts were more reserved. Northern Trust — Shares rose 7% after The Wall Street Journal, citing people familiar with the matter, reported that Bank of New York Mellon approached Northern Trust last week to convey interest in a merger between the two rivals. The report also said BNY is considering its next steps, which could include a formal bid to Northern Trust. However, the people cautioned that the talks might not result in a deal. Fiserv — Shares of the financial services firm jumped almost 3% after it revealed plans to broaden its presence in the stablecoin space. The company plans to launch a stablecoin and digital-asset platform for banking clients. It also struck partnerships with Circle and PayPal to further these efforts. Circle shares were up 18%, while PayPal gained more than 1%. Novo Nordisk , Hims & Hers — The pharmaceutical stock tumbled more than 5% after the latest results for the company’s next-generation obesity drug CagriSema were disappointing and suggested no clear advantage over Eli Lilly’s Zepbound. The company also announced that it has ended its collaboration with Hims & Hers Health, citing compounding and marketing concerns. Hims shares fell more than 30%. Eli Lilly’s stock advanced nearly 1%. Exelixis — Shares of the biotechnology company jumped more than 8% after it announced that its next-generation cancer drug , zanzalintinib, in combination with Roche’s Tecentriq showed “significant improvement in overall survival” compared to Bayer’s regorafenib drug in a phase 3 trial in patients with metastatic colorectal cancer. SpartanNash — The food retail stock jumped 50% after C & S Wholesale Grocers agreed to acquire SpartanNash for $26.90 per share. The all-cash deal is expected to close later this year. Trump Media — The parent company of President Donald Trump’s Truth Social platform traded 1% higher after its board approved a stock buyback program of up to $400 million . That comes after Trump Media last month raised $2.5 billion from institutional investors. Super Micro Computer — Shares fell 7%. The company announced a proposed offering of $2 billion in convertible senior notes that are due in 2030. Oil stocks — Shares of energy companies were trading lower as crude oil prices weakened despite a U.S. strike against Iran over the weekend. President Donald Trump has demanded that “everyone” keep oil prices lower . ConocoPhillips shares slipped less than 1%, while Marathon Petroleum held on to a less than 1% gain. APA Corp . shares tumbled more than 3%, as did oil services company Halliburton . Nuclear stocks — Stocks linked to nuclear energy such as Constellation Energy rose after New York Gov. Kathy Hochul told The Wall Street Journal she was considering building a new nuclear power plant in the state. Constellation shares were up almost 2%. Centrus Energy and Uranium Energy also gained more than 2% and 1%, respectively. Estée Lauder — The cosmetics stock popped 2% on the back of Deutsche Bank’s upgrade to buy from hold. The bank now has the highest price target on Wall Street of analysts polled by LSEG. DoorDash — The food delivery company moved 3% higher. Raymond James upgraded the stock to strong buy from outperform. The firm said the synergy potential with British food delivery service Deliveroo, which DoorDash is acquiring, is underappreciated. RTX , Northrop Grumman , Kratos Defense and Security — Defense stocks were mixed on Monday after the U.S. struck Iranian nuclear facilities. Shares of RTX slipped less than 1%, but Northrop Grumman each added nearly 2%. Military tech stock Kratos gained more than 3%. — CNBC’s Alex Harring, Jesse Pound, Sarah Min, Sean Conlon, Fred Imbert and Michelle Fox contributed reporting.
