China's cyberspace regulators have summoned Nvidia over security concerns about its H20 chips. They claim the chips can be tracked and turned off remotely.

Chinese companies showcased A.I. gains in Shanghai this week. More chips will only help them improve faster, industry insiders say.

Beijing authorities summoned Nvidia Corp. to discuss alleged security risks related to its H20 chips, casting doubt over the Chinese business of the world’s most valuable company weeks after co-founder Jensen Huang met senior officials in the country.