美股机器人概念股走强，Richtech Robotics涨近14%

Core Viewpoint - The U.S. stock market saw a significant rise in robotics-related stocks on October 3, with notable increases in share prices for several companies in the sector [2] Company Summaries - Richtech Robotics experienced a nearly 14% increase in its stock price [2] - iRobot's stock rose by nearly 8% [2] - Serve Robotics saw its stock price increase by over 6% [2]