A-shares Evening Hotspots | 150.8 yuan/share! Yushu Technology's Benchmarking Changxin, a single subscription may earn over 300,000.

Evening Highlighted News Overview 1. Major U.S. storage giants plunge; the reason has been identified Importance: On August 5, local time, leading U.S. storage chip manufacturer SanDisk and hard drive producer Western Digital released their fourth fiscal quarter earnings reports for 2026. Both companies reported revenue growth, but against the backdrop of dwindling AI investment, Wall Street's appetite for "better-than-expected" results has become increasingly stringent. On August 6, U.S. stocks opened with SanDisk and Western Digital experiencing a sharp decline, with shares plummeting over 12% and 19% respectively at one point. Additionally, storage chip stocks also tanked, with companies like Micron Technology, SK Hynix, and Seagate Technology all dropping more than 5%. Analysts pointed out that in the current market environment, merely delivering a "good earnings report" is evidently insufficient; investors need to see a continuous outlook for upward revisions and stronger performance guidance. 2. Yushu Technologys IPO priced at 150.8 yuan; aligned with Changxin, a single lottery ticket could earn over 300,000 yuan Importance: On August 6, the company released an announcement regarding its listing on the STAR Market, confirming an issue price of 150.80 yuan per share, with online and offline subscriptions starting on August 10. Based on the issue price, the company expects to raise approximately 6.1 billion yuan, with a projected market value of about 61 billion yuan post-listing, making it a highly watched capital case in China's humanoid robotics and automation sector. Notably, on July 27, Changxin Technology Group officially launched on the Shanghai Stock Exchange's STAR Market. Its opening price was 49.50 yuan per share, which marked a 471.59% increase from its issue price (8.66 yuan), with a total opening market value exceeding 3.31 trillion yuan, ranking it at the top of A-share total market capitalization. By comparison, if Yushu Technology experiences a first-day price increase of over 300%, a winning lottery ticket could yield more than 200,000 yuan, and if the surge exceeds 450%, then the earnings could surpass 300,000 yuan. 3. Concerning copper and cobalt! Congo (DRC) tightens export controls; institutions interpret the impact Importance: According to Xinhua Finance and foreign media reports, an official decree indicates that the Democratic Republic of Congo has prohibited the export of copper concentrates and cobalt concentrates. Data shows that Congo (DRC) is the world's largest producer of cobalt and the second-largest producer of copper (after Chile). In 2025, Congo's copper export volume is expected to increase nearly 10% year-on-year to 3.4 million tons. As a result, after 5 p.m. Beijing time on August 6, international copper prices suddenly surged. Gu Fengda, chief analyst at Guoxin Futures, believes that the prohibition of copper and cobalt concentrate exports marks the beginning of a "resource country proactive pricing" phase in the global competition for key minerals. The global commodity pricing system is accelerating the shift from unipolar to multipolar and from efficiency-first to security-first new equilibrium. In this process, high volatility of strategic resource prices should be a point of caution. 4. The U.S. plans to impose a 15% tariff on polysilicon products; what is the impact on the domestic photovoltaic industry chain? Importance: On August 6, Financial Times reported via Reuters that the U.S. government plans to announce on Thursday local time a 15% tariff on products containing polysilicon along with a series of minimum price restrictions. Polysilicon is a key raw material for CECEP Solar Energys solar panels and semiconductors. Reports suggest that a decree from President Trump is expected to include minimum import prices for polysilicon, silicon wafers, batteries, and CECEP Solar Energy modules or panels, as well as a 15% tariff on polysilicon-derived products. Among A-share companies, Tongwei Co., Ltd is one of the leading polysilicon and cell producers globally, and the immediate profit impact may be limited. Xinjiang Daqo New Energy focuses on high-purity polysilicon, and its profits are quite sensitive to polysilicon price changes. In addition, compared to upstream polysilicon firms, downstream companies that have U.S. sales channels or overseas production bases may be more sensitive. Key companies to observe include LONGi Green Energy Technology, Jinko Solar, JA Solar Technology, Trina Solar Co., Ltd., CSI Solar Co., Ltd., TCL Zhonghuan Renewable Energy Technology, Hainan Drinda New Energy Technology, and Shanghai Aiko Solar Energy. 5. New countermeasures: U.S. Palo Alto Networks faces cybersecurity review Importance: On August 6, the Cyberspace Administration announced: In order to ensure the safe and stable operation of critical information infrastructure, prevent cybersecurity risks, and maintain national security, 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, the cybersecurity review office will conduct a cybersecurity review of the products sold by Palo Alto Networks in China. 6. Goldman Sachs and JPMorgan Chase significantly increase their holdings in Zhongji Innolight H shares, doubling their positions Importance: Wall Street institutions are expressing their optimism for the AI optical interconnection leader with real money, as Goldman Sachs and JPMorgan Chase recently increased their holdings in Zhongji Innolight H shares simultaneously. According to HKEX equity disclosures, Goldman Sachs has continuously raised its long position in Zhongji Innolight H shares recently. The latest disclosure shows that as of August 3, 2026, Goldman Sachs' long position ratio had increased to 12.19%; the previous disclosure on July 30 showed that the long position ratio had risen from 5.95% to 11.90%. Compared to a week ago, Goldman Sachs long position in Zhongji Innolight H shares has doubled. At the same time, JPMorgan Chase's latest disclosure shows that as of July 31, 2026, its long position in Zhongji Innolight H shares increased from 5.60% to 13.72%, also doubling its holding. 7. Ge Weidong increases his stake in GigaDevice Semiconductor Inc. Importance: GigaDevice Semiconductor Inc. announced on the afternoon of August 6 that as of July 31, Ge Weidong and Wang Ping held 16.4467 million shares and 8.5999 million shares of the company, respectively, with shareholdings of 2.34% and 1.23%. Compared to the end of the first quarter, when they held 16.2616 million shares and 7.5732 million shares, their holdings have increased by 185,000 shares and 102,670 shares, respectively. Notably, in late July, the technology sector experienced volatility, and Ge Weidong expressed in a social media post his confidence in AI. He stated: "I believe it's not over yet; whoever stops will suffer a dimensionality reduction attack next! The top AI talents in Silicon Valley and China are most aware of this." 8. Are mainland residents' Hong Kong insurance earnings subject to taxation? Hong Kong's Insurance Authority responds Importance: On August 5, Caixin reported that personal income tax cases on Hong Kong insurance earnings have appeared in Beijing, Hangzhou, and other places, involving two types of earnings: dividend income from insurance and interest on prepaid premiums, with an applicable tax rate of 20%. However, current taxation is not widespread and lacks a unified, clear enforcement standard. In response, Hong Kong's Insurance Authority exclusively told Interface News that the Hong Kong SAR government and the Insurance Authority are closely monitoring the latest developments regarding tax arrangements for financial products in mainland China while maintaining close communication with the industry. 9. Report: If inflation data is strong in the coming weeks, Waller will prepare for a rate hike in September Importance: According to Wall Street Watch citing foreign media reports, if inflation data is hot in the coming weeks and market expectations for rate hikes rise, Federal Reserve Chair Waller is ready to implement a rate increase at the September interest rate decision. As a result of this news, U.S. short-term Treasury yields rose. Despite a massive sell-off of U.S. Treasuries following last week's rate-setting meeting, Waller has insisted on a streamlined communication strategy. Opportunities Ahead Self-selected researchers have identified investment opportunities drawing market attention in AI large models and computing power. 1. ByteDance discussing a model with over 50 trillion parameters According to reports, ByteDance is currently discussing training a model with more than 50 trillion parameters, surpassing Alibaba's Qwen 3.8-Max (24 trillion parameters) and the Dark Moon's K3 (28 trillion parameters), making it the largest known model in the country. Generally, larger models tend to exhibit higher levels of intelligence. However, this plan is still in the early stages and does not guarantee that the model will eventually be released. The new model will be led by Xiang Liang, head of the Seed Foundation, in collaboration with Shen Ke, who is responsible for pre-training data in large language models. To this end, Seed is reorganizing its structure, delineating responsibilities, and allocating resources. China Great Wall believes that as China's large models continue to iterate, the model sector is gradually shifting from a ranking based solely on parameter size to a competition emphasizing reasoning efficiency and cost-effectiveness. Cost-effectiveness will increasingly become the key to whether large models can achieve a commercial loop, and they remain optimistic about large model manufacturers and the investment opportunities across the entire computing power industry chain that they bring. Soochow Securities believes that AI applications have evolved from concept validation to commercial realization, with C-end traffic and payment logic transitioning towards subscription-related expenditures embedded in workflows for B-end small-scale pilots. Current AI applications are at a relatively low point, allowing for greater imagination regarding stock price potential for AI applications in 2026. In addition to this, the following sectors also warrant attention: 2. Real estate | Some banks have reduced mortgage rates to the "20s," with certain banks offering rates below 2.8%. 3. Civil explosives | Ministry of Industry and Information Technology: Increase industry concentration, encourage civil explosive companies to legally implement restructuring and integration. 4. Batteries | The battery supply chain is undergoing intensive price adjustments, with institutions raising their global lithium battery production expectations for the year. 5. Power | Beijing's power grid maximum load has hit a historical high for two consecutive days. Positive and negative announcements from listed companies For positive announcements, self-selected researchers suggest paying attention to Shandong Homey Aquatic Development's semi-annual report performance; for negative announcements, be aware of Shanxi Coking Coal Energy Group's Xiqu Mine shutdown. Positive announcements 1. Yushu Technology: Initial public offering price of 150.8 yuan/share 2. Xingfa Group: Plans to raise no more than 3 billion yuan through a private placement, with controlling shareholders participating in the subscription 3. Shandong Homey Aquatic Development: Net profit of 29.9788 million yuan in the first half of the year, a year-on-year increase of 21.74% 4. Ningbo Sanxing Medical Electric: Holding subsidiary signs an overseas operation contract worth approximately 175 million yuan Negative announcements 1. Shanxi Coking Coal Energy Group: Due to a safety production accident, the Xiqu Mine has stopped production 2. Tongyu Communication Inc.: Clarifies there is no research and development cooperation relationship between Jiaxian Communication and Nvidia 3. Shenyang Cuihua Gold and Silver Jewelry: Suspected of false reporting, possibly resulting in mandatory delisting due to significant illegal infractions 4. Hubei Jumpcan Pharmaceutical: Director Huang Qurong and CFO Yan Hongquan plan to collectively reduce their holdings by no more than 181,000 shares This article is reprinted from "Tencent Self-selected Stocks," edited by Xu Wenqiang.