Nvidia says regulators will be 'very supportive' of $40bn Arm buy despite concerns about chip designer's independence

Meanwhile, co-founder petitions UK.gov to keep HQ and jobs at home

Nvidia expects its $40bn buy of chip designer Arm to take over a year to close and to involve plenty of discussions with regulators - ones that will be interested in how the "Switzerland" of semiconductors can remain independent and still appeal to its new owner's rivals....