Five things to know about British chip champion Arm

London: Here are five things to know about British chip designing giant Arm, which has launched what could be the biggest US share offering in years.

The company, which plans to list on the New York stock exchange, says in its prospectus it is valued by Japanese parent SoftBank at $64 billion.

Nearly all smartphones – Rather than making chips itself, Arm licenses designs for the essential component that enables devices to function.