Market Performance - A-shares showed mixed performance with the Shanghai Composite Index down 1.16% closing at 3813.56 points, and the Shenzhen Component Index down 0.65% at 12472.00 points, while the ChiNext Index rose 0.95% to 2899.37 points [1] - The trading volume in the Shanghai and Shenzhen markets was 236.41 billion, a significant decrease of 51.09 billion compared to the previous day [1] Semiconductor Sector - The semiconductor sector performed poorly, with 117 selected companies showing that 20 companies' market values increased, led by Jianghua Micro, Zhichun Technology, and Tongfu Microelectronics, while 95 companies' market values decreased, with Beidou Star, Youyan New Materials, and Xuanji Information leading the decline [1] - A new semiconductor industry index, the Jimi Semiconductor Industry Index, was launched to reflect the market status and development of the semiconductor industry [5][6] Company Announcements - Yushu Robotics plans to submit its IPO application to the stock exchange between October and December 2025, with CITIC Securities as the counseling institution [1] - DiAo Micro announced the launch of its self-developed eUSB repeater product, marking a significant technological breakthrough in the high-speed interface chip sector [3] - Hangyu Micro elected Yang Tao as the chairman of its sixth board of directors [3] - Pairui Co. signed a strategic cooperation agreement with Xi'an Power Electronics Research Institute to jointly develop power devices represented by medium and high voltage IGBTs [3] Individual Company Updates - Nvidia addressed rumors regarding supply constraints of its H100/H200 products, stating that it has sufficient inventory to meet all orders without delays [4] - Xiaomi's new device, likely the Xiaomi 16, has received network access approval and is awaiting official announcement [4] - NIO reported Q2 2025 revenue of 19 billion, with a Non-GAAP net loss of 4.13 billion, indicating stable gross margins and effective cost control [4] Index Performance - The Jimi Index closed at 5583.91 points, down 46.46 points, reflecting a decline of 0.83% [7]

Group 1: Stock Suspension and Resumption - Dongxin Co., Ltd. has experienced multiple instances of abnormal stock price fluctuations since July 29, 2025, leading to the resumption of its stock trading [1] - Tianpu Co., Ltd. has seen its stock price significantly deviate from its fundamental situation, posing substantial risks for investors; if the stock price continues to rise abnormally, the company may apply for a trading suspension for verification [1] Group 2: Investment Cooperation and Operational Status - Daoshi Technology's subsidiary, Hong Kong Jian Na, has invested USD 30 million to subscribe for preferred shares in Qiangnao Technology, thereby acquiring minority shareholder rights [2] - Fulei New Materials plans to raise no more than 710 million yuan through a private placement to fund expansion projects for label printing materials, electronic-grade functional materials, R&D center upgrades, and to supplement working capital [2] - Pairui Co., Ltd. has signed a strategic cooperation agreement with Xi'an Power Electronics Technology Research Institute to jointly develop and manufacture power devices represented by medium and high voltage IGBTs [2] - Diao Micro has recently launched its self-developed eUSB repeater product [2] - Sairisi reported a year-on-year increase of 19.57% in new energy vehicle sales for August [2] - Jiadu Technology plans to issue H-shares and apply for listing on the main board of the Hong Kong Stock Exchange [2]

Group 1 - The company, DiAo Microelectronics (688381.SH), has recently launched its self-developed eUSB repeater (eUSB2 repeater) product [1]