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 disappointi …
