President Donald Trump’s administration has barred Nvidia Corp. from selling its H20 chip to China, an escalation of Washington’s tech battle with Beijing that will cost the company billions of dollars and hamstring a product line it explicitly designed to comply with previous US curbs.

Nvidia Corp.’s shares were tumbling in after-hours trading Tuesday, after the chip giant disclosed in a regulatory filing that it expects to include charges of up to $5.5 billion in its fiscal first quarter related to licensing of its chips to the Chinese market.