WASHINGTON — Microchip maker Nvidia said it would be hit with $5.5bn (£4.2bn) in costs after the US government tightened export rules to China.The chip manufacturing giant, which has been at the heartWASHINGTON — Microchip maker Nvidia said it would be hit with $5.5bn (£4.2bn) in costs after the US government tightened export rules to China.The chip manufacturing giant, which has been at the heart
Nvidia expects $5.5bn hit as US tightens chip export rules to China
