Rishi Sunak restarts talks on London listing for UK tech firm Arm

Japanese investor SoftBank thought to favour New York for computer chip designer's IPO

Rishi Sunak has reportedly restarted efforts to persuade the Japanese investor SoftBank to list the computer chip designer Arm in London.

SoftBank has been considering listing Arm, which has its headquarters in Cambridge, for months, with New York thought to be the lead candidate.