Tesla Drops Over 4.6% as 1,000 Cybercabs Enter Federal Audit
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Tesla Drops Over 4.6% as 1,000 Cybercabs Enter Federal Audit Khac Phu Nguyen Fri, September 4, 2026 at 2:10 PM EDT 1 min read TSLA This article first appeared on GuruFocus . Tesla ( NASDAQ:TSLA ), the electric-vehicle and autonomous-driving heavyweight, tumbled over 4.6% to $358.88 in Friday premarket trading as federal regulators turned their spotlight on Cybercab. The National Highway Traffic Safety Administration opened an audit covering roughly 1,000 vehicles, demanding evidence that Tesla's certification process meets federal safety standards. The timing could not be tighter: Cybercab entered limited commercial service in Austin on Thursday. Warning! GuruFocus has detected 5 Warning Signs with TSLA. Is TSLA fairly valued? Test your thesis with our free DCF calculator. This is no ordinary car. Cybercab has no permanently installed steering wheel, brake pedal, accelerator or conventional mirrors. Tesla's second-quarter investor update highlighted public-road engineering tests and employee rides, but the commercial rollout has now moved the regulatory stakes higher. Texas records showed just 45 Cybercabs inside Tesla's 420-vehicle registered autonomous fleet Friday morning. The valuation picture adds another pressure point. At $358.88, Tesla trades 7.53% above its $333.76 GF Value, meaning investors are still paying a premium even after the premarket drop. The 45 Cybercabs represent only 10.7% of Tesla's Texas autonomous fleet, but this fight is not about 45 vehicles. It is about whether Tesla can scale Cybercab without exemptions, hardware changes or a costly rollout delay. Tesla has launched the machine. Regulators may now decide how fast it can grow.
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