Artificial Intelligence Billionaire Ken Griffin Sells Tesla Stock and Buys an Artificial Intelligence (AI) Stock Up 1,100% Since 2023 (Hint: Not Palantir) – The Motley Fool Google Inc. September 20, 2025 September 20, 2025 Billionaire Ken Griffin Sells Tesla Stock and Buys an Artificial Intelligence (AI) Stock Up 1,100% Since 2023 (Hint: Not Palantir) The Motley Fool