小马智行美股盘前涨超5%，消息称小马智行在北京启动第七代Robotaxi路测。

Core Viewpoint - The stock of Pony.ai rose over 5% in pre-market trading, following the news that the company has launched the seventh generation of Robotaxi road testing in Beijing [1] Group 1 - Pony.ai's stock performance indicates positive market sentiment, likely driven by advancements in autonomous vehicle technology [1] - The initiation of the seventh generation Robotaxi road test signifies a significant milestone in the company's development and operational capabilities in the autonomous driving sector [1]