美股异动丨Q4盈利高于预期，特斯拉盘前涨2.5%

Group 1 - Tesla's stock jumped 2.5% to $442.3 in pre-market trading [1] - The company's Q4 revenue saw a significant decline compared to Q3, attributed to a second consecutive year of declining electric vehicle deliveries, impacting revenue and automotive gross margins [1] - Despite the revenue drop, Tesla's EPS exceeded expectations, and its energy and services business continued to grow [1] Group 2 - Tesla announced the removal of human safety supervisors from some Robotaxi service vehicles in Austin, Texas, marking a step towards true autonomous driving [1] - The production plan for the Robotaxi-specific product Cybercab is on track for this year [1] - Tesla has reached an investment agreement of approximately $2 billion with xAI, shifting market narrative towards the long-term premium potential of "AI + robotics" [1]