突发！英伟达被约谈

Core Viewpoint - Nvidia's computing chips have been reported to have serious security issues, prompting regulatory scrutiny and potential implications for its sales in China [1] Group 1: Security Concerns - US lawmakers have called for advanced chips exported from the US to include "tracking and positioning" features [1] - AI experts in the US have indicated that Nvidia's "tracking and positioning" and "remote shutdown" technologies are already mature [1] - The National Internet Information Office of China has requested Nvidia to explain the security risks associated with the H20 computing chip sold to China and to submit relevant proof materials by July 31, 2025 [1] Group 2: Market Reaction - Shares of companies related to Huawei's HiSilicon surged, with Digital China (000034) rising over 6%, and Zhuoyi Information increasing by over 4% [1] - Other companies such as Feirongda (300602) and Delong Laser also experienced upward movement in their stock prices [1]