A-share Pre-market News Dispatch (2026-08-07)

Mini Program: A-share Pre-market News Briefing

Important News

1. Trump announces tariffs on polysilicon and its derivatives

On August 6, local time, U.S. President Trump signed an executive order imposing minimum import prices and additional tariffs on imported polysilicon and its derivatives under Section 232 of the Trade Expansion Act of 1962, to support the U.S. domestic polysilicon, semiconductor, and solar supply chains. The announcement specifies minimum import prices as follows: polysilicon at $21 per kilogram; polysilicon ingots and wafers at $100 per kilogram; solar cells at $0.22 per watt; and solar modules at $0.38 per watt. Additionally, the U.S. will impose a 15% ad valorem tariff on polysilicon ingots and related derivatives listed in the announcement's appendix. These measures will take effect at 12:01 AM Eastern Time on December 4, 2026. The announcement also authorizes the Department of Commerce to establish a "Repatriate to America" incentive program. Companies that commit to building, renovating, or expanding polysilicon, silicon ingot, wafer, or solar cell production facilities in the U.S. and commence operations by January 20, 2029, may apply for exemptions from the Section 232 tariffs on certain imported equipment and related products. (CCTV News)

2. Shenzhen Jiaxian Communication: NVIDIA's AI-RAN technology team visited the company, and both parties have established a technical working group

On the evening of August 6, a relevant person from Jiaxian Communication responded to the clarification announcement issued by Tongyu Communication, stating that in March 2026, NVIDIA's AI-RAN technology team visited Jiaxian Communication to discuss the AI-RAN technology roadmap. During the exchange, NVIDIA recommended that Jiaxian Communication use the CUDAAerial open-source platform for the development of AI-RAN base station systems. Subsequently, Jiaxian Communication initiated research and verification of AI-native 5G and 6G base station technology based on the CUDAAerial ecosystem, which has been ongoing for nearly six months. The aforementioned person stated that both parties have now formed a regular technical working group to maintain communication regarding relevant technology research and verification. More than ten technical personnel from NVIDIA, hailing from mainland China, Hong Kong, and Singapore, are participating in this working group. (Jiemian)

3. Cyberspace Administration: Announcement of cybersecurity review for Palo Alto Networks' products sold in China

To ensure the safe and stable operation of critical information infrastructure, prevent cybersecurity risks, and safeguard national security, the Cybersecurity Review Office, in accordance with the National Security Law of the People's Republic of China and the Cybersecurity Law of the People's Republic of China, will implement a cybersecurity review of products sold by Palo Alto Networks in China, as per the Cybersecurity Review Measures. (China Cyberspace Administration)

Individual Stock News

1. Yushu Technology: The issuance price is set at 150.80 yuan per share

According to Yushu Technology's announcement, the issuer and the sponsor (lead underwriter) have determined the issuance price to be 150.80 yuan per share after a comprehensive assessment based on the preliminary inquiry results, considering the company's reasonable investment value, valuation levels of listed companies in the same industry, secondary market valuation levels in the industry, effective subscription multiples from offline investors, market conditions, fundraising needs, and underwriting risks The offline issuance will no longer conduct cumulative bidding inquiries. Investors are requested to subscribe online and offline at this price on August 10, 2026 (T day), without the need to pay subscription funds at the time of application.

2. Tongyu Communication: Jiaxian Communication has no R&D cooperation relationship with NVIDIA

Tongyu Communication announced that on August 5, 2026, the company disclosed its intention to use its own funds of RMB 300 million to acquire approximately 25% equity in Jiaxian Communication. This transaction has not yet been completed, and upon completion, it will not constitute control and will not be included in the consolidated financial statements. Recently, rumors circulated online that "Jiaxian Communication is collaborating with NVIDIA (NVDA) to develop 6GAI-RAN base stations." After verification, there is no R&D cooperation relationship between Jiaxian Communication and NVIDIA (NVDA); Jiaxian Communication is conducting R&D based on NVIDIA (NVDA) CUDAAerial open-source ecological platform, which is a publicly open-source ecosystem and does not involve exclusive licensing or exclusive cooperation arrangements. The related products are still in the early stages of R&D and have not yet achieved commercialization. Jiaxian Communication's operating income from January to June 2026 was RMB 103 million, with a net profit of -39.8872 million (unaudited).

3. Goldman Sachs and JP Morgan significantly increased their holdings in Zhongji Xuchuang, with holding ratios rising to 12.19% and 13.72% respectively

According to disclosures from the Hong Kong Stock Exchange, Goldman Sachs increased its long position in Zhongji Xuchuang (03308.HK) H shares from 11.65% to 12.19% on August 3, 2026. JP Morgan's long position in Zhongji Xuchuang H shares increased from 5.6% to 13.72% on July 31, 2026. Morgan Stanley's (MS) long position in Zhongji Xuchuang Co., Ltd. - H shares decreased from 6.31% to 5.92% on August 3, 2026.

4. Yibo Technology: As of now, the company's sales order signing amount has increased by more than 70% year-on-year

Yibo Technology stated during an institutional research on August 6 that as of now, the company's sales order signing amount has increased by more than 70% compared to the same period last year, with an overall monthly increase in growth rate. The areas with rapid growth include ATE products, optical modules, robotics, and other AI-related fields. Among the company's top three customers, two are related to ATE, and the other is a leading enterprise in the optical module field. From the perspective of the company's business categories, the PCB manufacturing business orders are showing rapid monthly growth, with some bottleneck processes already at full capacity, leading to order backlogs. Relevant expansion equipment is being added, and the company will accelerate the full release of capacity in line with the demand for order growth to better meet customer needs. From the current situation, the trend of accelerated revenue growth for the company remains unchanged, and it is expected that the sales growth rate in the second half of this year will be significantly higher than that in the first half, with gross profit margins steadily increasing as capacity utilization improves.

5. Ge Weidong increases his stake in Zhaoyi Innovation, becoming the fourth largest shareholder of Zhaoyi Innovation Zhaoyi Innovation's announcement shows that as of July 31, Ge Weidong and Wang Ping hold 16.4467 million shares and 8.5999 million shares of the company, respectively, with shareholding ratios of 2.34% and 1.23%. Ge Weidong is the fourth largest shareholder of Zhaoyi Innovation, while Wang Ping is the sixth largest shareholder. Compared to the end of the first quarter, when they held 16.2616 million shares and 7.5732 million shares, their holdings increased by 185,100 shares and 102,670 shares, respectively. According to public information, Ge Weidong is the head of Chao Investment and a well-known investor, and he is married to Wang Ping.

6. 10 Consecutive Limit-Up Days for Aili Home: The company's stock may experience significant market sentiment overheating and irrational speculation, and may apply for a trading suspension for review again.

According to Aili Home's announcement, the company's stock price has hit the daily limit for 10 consecutive trading days, accumulating significant trading risks during this period, and has now seriously deviated from the fundamentals of the listed company, posing a risk of a rapid decline at any time. Currently, the company's relevant indicators have seriously deviated from its fundamentals, significantly higher than the overall valuation level of the industry. The company's stock may experience significant market sentiment overheating and irrational speculation. Investors are advised to pay attention to secondary market trading risks, make prudent decisions, invest rationally, and avoid significant investment losses. If the company's stock price continues to rise abnormally, the company may apply for a trading suspension for review again.

7. Shengke Communication: The fourth largest shareholder, the National Integrated Circuit Industry Investment Fund, reduced its holdings by 1% of the company's total share capital from July 21 to August 6.

Shengke Communication (688702.SH) announced that its shareholder, the National Integrated Circuit Industry Investment Fund Co., Ltd., reduced its holdings by 4.1 million shares through centralized bidding from July 21 to August 6, accounting for 1% of the company's total share capital. After this equity change, the fund's shareholding ratio decreased from 11% to 10%.

8. Yidun Electronics: Plans to invest 2.979 billion yuan to build a high-end printed circuit board intelligent manufacturing project.

Yidun Electronics (603328.SH) announced that the company plans to use its own funds and self-raised funds to invest in the construction of a high-end printed circuit board intelligent manufacturing project, with a total planned investment of 2.979 billion yuan. The investment project mainly focuses on the market demand for high-end printed circuit boards and aims to build a high-speed, multi-layer PCB intelligent manufacturing project. The construction period of the project is 21 months, with an expected investment return rate of 13.01%.

9. Mingjiahui: Plans to acquire no more than 26.19% of shares in Zhiyu Technology, a solid-state storage solution provider, for cash.

Mingjiahui (300506.SZ) announced that the company plans to purchase no more than 26.1904% of the shares of Zhiyu Technology Co., Ltd. for cash, with a total transaction price of approximately 263 million yuan. The target company is a solid-state storage solution provider that integrates research and development, production, sales, and services, with solid-state drive products as its core. Its target market is mainly positioned in the industrial-grade storage field, with main products including solid-state drives (SSD), embedded SSDs, and film and television cards 10. 4 consecutive trading limits on Fengfan Co., Ltd.: Some companies in the industry adopt low-price competition strategies, which may adversely affect the company's profitability

Fengfan Co., Ltd. (601700.SH) issued a risk warning announcement, stating that the power transmission and transformation tower industry it operates in is a fully competitive industry with a large number of production enterprises and a high degree of product homogeneity. Some companies in the industry adopt low-price competition strategies, which may adversely affect the company's profitability. Investors are advised to pay attention to industry competition risks. In addition, as the company's overseas business scale expands, the proportion of foreign orders and foreign currency settlements increases. Affected by fluctuations in the international foreign exchange market, changes in the RMB exchange rate will impact the company's foreign exchange gains and losses as well as the profitability of overseas projects, reminding investors to be aware of exchange rate risks.

11. 3 consecutive trading limits on Bojie Co., Ltd.: The revenue scale of the affiliated company Dingtai Xinyuan's indium phosphide-related business is small and has incurred losses for three consecutive years

Bojie Co., Ltd. (002975.SZ) announced that the cumulative price deviation of its stock closing price over three trading days has exceeded 20%, which constitutes abnormal stock trading fluctuations. In response to market rumors, the company clarified that the indium phosphide business in optical communication mentioned in online rumors is conducted by Dingtai Xinyuan, in which the company holds shares. Dingtai Xinyuan has a small revenue scale and has incurred losses for three consecutive years; in terms of semiconductor-related businesses, the revenue of the holding subsidiary Bojie Chip is expected to account for 2.78% of the company's total revenue in 2025; Guanghao Jie’s optical module equipment business has only completed preliminary technical reserves and has not yet achieved revenue; the liquid cooling module has not been recognized as an independent product for revenue; in terms of MLCC business, the holding subsidiary Aodewei is expected to account for 7.53% of the company's total revenue in 2025; in the humanoid robot testing sector, the revenue achieved by the company in 2025 is expected to be less than 1% of the company's total revenue