The State Administration for Market Regulation in China has launched an investigation into Nvidia for possible antitrust violations related to its acquisition of Mellanox Technologies. This development follows heightened restrictions imposed by the U.S. on chip sales to China, marking a significant escalation in the ongoing U.S.-China chip war. Nvidia's shares fell slightly following the news, though the company has experienced robust growth in recent years due to the rising demand for AI technologies. This investigation highlights the increasing geopolitical tensions surrounding the semiconductor market.