The shares of the microprocessor and chip manufacturer plummeted by up to 6.3% in the after-hours market after closing the session positively. Nvidia has informed the U.S. Securities and Exchange Commission (SEC) that it expects a charge of up to 5.

Nvidia said US officials had recently informed the company that it must obtain export licenses to sell its H20 chips to China because of concerns they may be used in supercomputers there.