Tesla Shares Plunge 6% Following Disappointing Cybercab Launch and NHTSA Investigation
Tesla (NASDAQ: TSLA) experienced a significant blow this week as its much-anticipated Cybercab robotaxi launch event in Austin, Texas, failed to meet investor expectations. This disappointment led to a nearly 6% drop in shares, closing at $354.08 on September 4, 2026.
The exclusive event was noticeably lacking in detail. CEO Elon Musk was absent, and executive comments on pricing, manufacturing, and technology were brief, lasting a mere 15 minutes. Tesla offered its Robotaxi app users the chance to summon a driverless ride in the Cybercab—a bronze-colored, two-seater vehicle equipped with scissor doors and devoid of a steering wheel or pedals—within a geofenced area of Austin. However, the launch was swiftly tarnished by initial execution issues, with users reporting routing errors, missed destinations, and lengthy wait times.
Compounding the situation, the National Highway Traffic Safety Administration (NHTSA) initiated an “audit query” on the same day to ascertain if Tesla had accurately self-certified the Cybercab as safe for public roads under federal safety standards. Wells Fargo analysts released a damning note titled “TSLA Cybercab Launch Event Underwhelms”, highlighting execution problems with Austin’s robotaxi service. Trading volume spiked to 64.4 million shares—about 53% above Tesla’s three-month average—mirroring the market’s intense reaction to the news.
Tesla’s stock continues to face pressure as investors eagerly await more precise timelines for commercial fare-charging and a wider national rollout of the Cybercab program.
Source: CNBC – Tesla’s stock drops as Cybercab update ‘underwhelms,’ NHTSA probe