Tesla stock closes at 2025 high after Musk confirms driverless Robotaxi tests underway in Austin

Core Viewpoint - Tesla is advancing its driverless taxi service by testing vehicles without human occupants in Austin, Texas, following a limited launch with safety drivers [1][2][3]. Group 1: Testing and Development - Tesla has begun testing driverless vehicles in Austin without any human occupants, marking a significant step in its autonomous vehicle strategy [1][2]. - The company previously launched a limited Robotaxi service in Austin with safety drivers in June 2025, and a similar service in the San Francisco Bay Area shortly thereafter [3]. Group 2: Market Reaction - Following the announcement of the driverless testing, Tesla's shares increased by 3.5% to $475.11, contributing to an 18% rise in stock value for the year, and the stock is now approximately 1% below its record high from December 2024 [2]. Group 3: Future Prospects - Tesla has not provided a timeline for when it will operate a fully autonomous ride-hailing service without human safety supervisors or drivers, indicating that there may still be significant challenges ahead [5].