Separately, stock in Dutch chip company ASML was falling sharply Wednesday after the company cut its outlook, blaming trade wars and tariffs for lower demand.

Nvidia announced Monday that it's filing applications to restart sales of its H20 artificial intelligence chips to China, capping a spasmodic few months

This is the second time that Nvidia’s permission to sell in China has changed. As widely reported in April, the firm got re-approved to sell chips to China after a dinner meeting between Huang and Trump in the spring, apparently including a tit-for-tat deal in which Nvidia would create new server setups stateside.