want the lowdown on european markets in your inbox before the open every day sign up here softbank group corp’s chipmaker arm ltd has filed with regulators confidentially for a us stock market listing reuters reported citing people familiar with the matter the company’s ipo registration signals that it is moving forward with the offering despite challenging market conditions after indicating in march that a listing was imminent reuters said arm plans to sell its shares on the nasdaq later this year and expects to raise between 8 billion and 10 billion reuters reported citing the people the listing could make arm one of the largest ipos in the us of the last decade bankers had pitched a valuation of between 30 billion to 70 billion for the listing bloomberg previously reported a wide range that underlines the challenges of valuing the firm against a backdrop of volatile semiconductor equity prices softbank and arm declined to comment to reuters