Physical AI concept stocks surge; Nengke Technology hits limit-up in a straight line.

In the afternoon, physical AI concept stocks surged, with Nengke Technology hitting the daily limit straight up, while Fantuo Digital Creative, Suochen Technology, Haun Automotive Electronics, Orbbec, and ZWSOFT quickly followed with gains. On the news front, local time from October 20 to 22, NVIDIA's GTC conference will be held in Berlin, Germany, with Jensen Huang delivering a keynote speech on the 21st. This year's GTC further shifts its focus from "selling GPUs" to "selling AI factories." According to official introductions, the conference will focus on accelerated computing, agentic AI, physical AI, robotics, open-source models, AI infrastructure, and other directions.