Nvidia said on Thursday that its chips do not contain "backdoors," following concerns from China over the security of the company's H20 artificial intelligence chip.

China has summoned Nvidia to address alleged H20 chip security flaws, raising fresh concerns about the AI giant’s China business amid stalled trade talks.

It comes just about two weeks after the Trump administration lifted a block and allowed Nvidia to resume sales of H20 chips to the Chinese market.

Apple shook off a thicket of tariffs and a botched entry into artificial intelligence to accelerate its revenue growth during its springtime quarter, but the trendsetting company still faces a bumpy r ...