Elon Musk's Tesla completes first driverless car delivery in Texas
1. Tesla completed its first driverless car delivery to a customer. 2. The Model Y drove autonomously for 30 minutes, showcasing Tesla's technology. 3. Tesla's shares fell 1% amid a 15% decline this year. 4. Competition with BYD and Waymo intensifies as Tesla faces market challenges. 5. Musk suggests autonomous driving could boost Tesla's valuation by $5-$10 trillion.