President Donald Trump’s administration has barred Nvidia Corp. from selling its H20 chip in 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 (NASDAQ:NVDA) needing an indefinite license to export — and essentially being blocked — selling its H20 GPUs to China is a “clear shot across the bow” from President Trump to China in the ongoing trade war,