Elon Musk's Tesla loses top North American sales executive in latest senior departure: report
1. Tesla's top sales executive in North America, Troy Jones, has departed. 2. Jones's exit adds to a series of high-level executive departures. 3. Tesla faces declining sales as competition increases in North America. 4. Shares fell over 1% after the news of Jones's departure. 5. Executive turnover raises concerns about Tesla's internal stability.