China Accuses Nvidia of Antitrust Violations

China accused Nvidia Monday of violating the country’s antimonopoly laws and said it would step up scrutiny of the world’s leading chipmaker, escalating tensions with Washington as the two countries hold trade talks this week. Chinese regulators said they would carry out “further investigation” into Nvidia after a preliminary investigation found that the company breached regulations when it made a years-old acquisition. The one-sentence statement from the State Administration for Market Regulation statement said the investigation centered on Nvidia’s purchase of network and data transmission company Mellanox Technologies. Regulators said...