Arm Holdings shares gain nearly 25% in biggest IPO since late 2021

Arm Holdings chief executive Rene Haas, centre, rings the Nasdaq Opening Bell at the Nasdaq MarketSite, during his company’s IPO, in New York’s Times Square (Richard Drew/AP)

Shares of UK chip designer Arm Holdings rose almost 25% in their stock market debut, in the largest initial public offering of shares in nearly two years.

The shares opened at 56.10 dollars (£45.20) on the Nasdaq on Thursday after having been priced at 51 dollars (£41.09).