Federal car safety regulators opened an investigation Thursday into why Tesla has repeatedly broken rules requiring it to tell them quickly about crashes involving its self-driving technology that may soon be deployed in millions of its cars on U.

The NHTSA just announced a new investigation into Tesla for not properly reporting crashes involving its Autopilot and Full Self-Driving systems. This is just the latest inquiry into the company.

The top U.S. auto-safety regulator is investigating multiple delays by Tesla to submit crash reports that involve automated driving systems. Tesla, along with other automakers, was required to submit a report tied to advanced driver-assistance systems within one or five days of learning about the incidents,

Tesla stock was falling. CEO Elon Musk's political moves have been a concern for some of the EV maker's investors.

Elon Musk's plan to launch the America Party has been shelved for now, as the tech billionaire focuses on businesses and maintaining ties to VP JD Vance, according to The Wall Street Journal.