According to Sawyer Merritt on Twitter, Tesla's stock has reached a new all-time high of $489.20, pushing the company's market capitalization to $1.63 trillion. This significant milestone highlights the growing impact of Tesla's AI-powered autonomous driving systems and energy optimization technologies on its business value. Tesla's advancements in AI for self-driving vehicles and smart energy solutions continue to attract investor confidence and open up new business opportunities in automotive AI, energy storage, and mobility-as-a-service sectors (Source: Sawyer Merritt, Twitter, Dec 16, 2025).