China’s antitrust investigation is a major change in how Beijing retaliates against U.S. tech policies, Reva Goujon writes in a guest commentary.

The U.S. Department of Commerce has recently asked Nvidia to look into how the company's products ended up in China over the past year, The Information reported on Thursday, citing a person close to the department.

Shares of Nvidia slid early Monday after China said it is investigating the high-flying U.S. microchip company over suspected violations of Chinese anti-monopoly laws.