Arm, the chip designer owned by SoftBank Group Corp, is expected to set a price range for its initial public offering (IPO) next week, according to sources. Customers of Arm, including Apple Inc, Nvidia Corp, Alphabet Inc, and Advanced Micro Devices Inc, have agreed to invest in the IPO. SoftBank aims to achieve a valuation between $50 billion and $55 billion for Arm. The IPO is scheduled to price its shares on September 13, with trading on the Nasdaq starting the following day.