The Nvidia logo appears on a smartphone reflecting the flags of China and the U.S. Nurphoto | Nurphoto | Getty ImagesBeijing has reportedly halted purchases of yet another AI chip from Nvidia, freezing it out of the market completely — a move industry experts say reflects the country's growing confidence in domestic chip makers and an attempt at gaining trade leverage.It was only a few months ago when Jensen Huang announced, from China, that the U.S. would allow it to resume sales of its made-for-China H20 ...