美股异动丨木头姐加仓，小马智行涨近8%

Group 1 - The core point of the article is that Pony.ai (PONY.US) shares increased by nearly 8%, reaching $15.5, following a significant investment by Cathie Wood, who added approximately $13.37 million in shares [1] Group 2 - The investment by Cathie Wood, a well-known investor, indicates a positive sentiment towards Pony.ai and may attract further interest from other investors [1] - The increase in share price reflects market confidence in Pony.ai's future prospects, potentially linked to developments in the autonomous driving sector [1] - The article highlights the impact of high-profile investors on stock performance, showcasing how their actions can influence market trends [1]