The government has ordered an in-depth investigation into the takeover of the Cambridge-based chip designer Arm by its US rival Nvidia, in a move that could result in the $54bn deal being blocked.
Nadine Dorries, the digital and culture secretary, has ordered the UK competition watchdog to launch a “phase 2” investigation on public interest grounds, citing competition and national security concerns.
The move follows the Competition and Markets Authority’s initial findings in July that the deal
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