Mr. Huang has spent months lobbying politicians across Washington to keep China open for A.I. chip sales.

After a relatively quiet start to the week, markets on Tuesday will have to navigate a torrent of new information on U.S. inflation, bank earnings and Chinese growth, with a fresh jump from chip gian...

Shares in AMD, a rival chipmaker, were gaining, too, on a report that it had the green light to sell its MI308 to Chinese customers again.