Nvidia rose 1.1% in premarket trading on Thursday; Tesla rose 1.2%.
NVIDIA Corp did not receive a U.S. Justice Department subpoena, a spokesperson said in a statement on Wednesday.
"We have inquired with the U.S. Department of Justice and have not been subpoenaed. Nonetheless, we are happy to answer any questions regulators may have about our business."
Bloomberg News reported on Tuesday the Justice Department had sent a subpoena related to a potential antitrust investigation, which would signal an escalation in the probe. Bloomberg News said subpoenas had been sent to other companies in addition to Nvidia.
Tesla Motors plans to launch FSD (Full Self-Driving) in China early next year, a slight delay from previous plans.
Tesla plans to launch FSD in China and Europe in the first quarter of 2025, pending regulatory approval, Tesla's AI team's account, @Tesla_AI, said on social media platform X today.
The EV maker's CEO, Elon Musk, said on an earnings call in July that Tesla would likely receive regulatory approval to launch FSD in other markets, including Europe and China, by the end of this year.