Nvidia Corp. plans to resume sales of its H20 artificial intelligence accelerator to China based on assurances from Washington that such shipments would be approved, a dramatic reversal from the Trump administration’s earlier stance.US government officials have told Nvidia that they would green-light export licenses for the H20, the company said in a blog post on Monday. That China-specific variant of Nvidia’s AI chips was created to comply with earlier trade curbs, but has since April also been...