Tesla is facing a crisis as sales decline globally, leading to a significant drop in stock prices. Elon Musk's shifting vision, including a retreat from a $25,000 car plan and a focus on self-driving technology, has left investors uncertain, especially with a new vehicle development running behind schedule. Amidst this turmoil, Musk is expected to provide updates during the upcoming earnings call, potentially addressing the company's future amidst weakening demand and a tarnished brand.