comes 19 months after Nvidia, the Silicon Valley chip maker, abandoned an effort to buy Arm for $40 billion. Why It Matters: Arm’s shares could influence the overall I.P.O. Arm is listing its shares on Nasdaq under the ticker symbol ARM. The company priced its shares at $51 each, but the stock could open for trading at a different price. Usually there’s a period of at least an hour during which buy and sell orders are matched up to set an opening price.

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Persons: SoftBank Organizations: Nvidia, Federal Trade Commission, Nasdaq Locations: Silicon