A-share Announcement Highlights | GigaDevice Semiconductor Inc. (603986.SH) sees net profit increase more than tenfold in the first half of the year; Zhejiang Yiming Food (605179.SH), a major stock with 11 boards, may be suspended for investigation.

Today's Focus 1. GigaDevice Semiconductor Inc.: Net profit in the first half of the year increased by 1092% year-on-year, with both volume and price of memory chip products rising. GigaDevice Semiconductor Inc. announced that it achieved an operating income of 11.566 billion yuan in the first half of 2026, which is a year-on-year increase of 178.67%; the net profit attributable to shareholders of the listed company was 6.857 billion yuan, a year-on-year increase of 1091.5%. During the reporting period, due to tight supply in the memory chip industry, the company saw a simultaneous rise in both volume and price of memory chip products, leading to improved profitability in the storage business. The microcontroller products benefitted from demand in industrial, consumer, and automotive sectors, resulting in significant shipment growth. The company's revenue scale and profitability quality improved in tandem, driving a substantial increase in overall operating performance. Additionally, the fair value of the securities investments held by the company at the end of the period increased, significantly boosting the recognized gains from fair value changes. 2. Tianshan Aluminum Group: Net profit in the first half of the year reached 4.177 billion yuan, a year-on-year increase of 100.44%. Tianshan Aluminum Group announced that its operating income for the first half of 2026 was 17.511 billion yuan, a year-on-year increase of 14.25%; net profit attributable to the parent company was 4.177 billion yuan, a year-on-year increase of 100.44%; and net profit excluding non-recurring gains and losses was 4.067 billion yuan, a year-on-year increase of 107.37%. The company plans not to distribute cash dividends, nor to distribute bonus shares, or to convert reserve funds into share capital. 3. Beijing Asiacom Information Technology: Subsidiary signs a 868 million yuan computing power service procurement contract. Beijing Asiacom Information Technology announced that its subsidiary, Beijing Yakang Intelligent Computing Technology Co., Ltd., has signed the "General Computing Power Technology Service Agreement (Part One)" and "General Computing Power Technology Service Agreement (Part Two)" with Supplier A, procuring computing power services and related network products, with the total amount of both contracts being 434 million yuan (including tax), totaling 868 million yuan, with a service period of 60 months. The execution of the contracts will not affect the companys business independence. Charging will commence the day after the acceptance report is obtained, and subsequent monthly charges will be calculated based on the agreed tax-inclusive price; the contract stipulates a prepaid fee method based on a deposit and prepayment. 4. Elegant Home-Tech: Will apply for a trading halt for verification if stock prices rise abnormally further. Elegant Home-Tech announced that its stock price has been locked up for 12 consecutive trading days recently, with a significant short-term increase, accumulating substantial trading risks and deviating severely from the company's fundamentals, resulting in the risk of a rapid decline. If the company's stock price rises abnormally further, it will apply for a trading halt to verify. The company expects a loss of between 40.8 million and 34.8 million yuan for the first half of 2026, with plans to acquire the target company's valuation not exceeding 650 million yuan; as of August 18, the company's market value has reached 7.268 billion yuan. The current level of the companys market value not only deviates significantly from the current fundamentals but has also diverged seriously from the expected valuation after the asset acquisition is completed, indicating massive trading risks and speculation risks on the stock. 5. Zhejiang Yiming Food: May apply for a trading halt for verification if stock prices rise abnormally further. Zhejiang Yiming Food announced that from July 10 to August 18, 2026, its stock price rose by more than 200% over 28 consecutive trading days, which constitutes a serious abnormal fluctuation in stock trading. The cumulative increase during this period reached 202.82%, with 5 incidents of trading anomalies. The company's price-to-earnings ratio is 288.3, while the industry average P/E ratio is 25.79; the price-to-book ratio is 13.45 against the industry average of 2.64, significantly higher than the industry level. The company is currently operating normally, with no significant changes in fundamentals, but due to a small external circulation, there exists the risk of irrational speculation. The company reminds investors to be aware of secondary market trading risks, and may apply for a trading halt if stock prices rise abnormally further. 6. Puya Semiconductor (Shanghai) Co., Ltd.: Net profit of 827 million yuan in the first half of the year, a year-on-year increase of 1930%. Puya Semiconductor (Shanghai) Co., Ltd. announced that it achieved an operating income of 3.959 billion yuan in the first half of 2026, a year-on-year increase of 336.67%; the net profit attributable to shareholders of the listed company was 827 million yuan, a year-on-year increase of 1929.65%. The performance growth was mainly benefited from the global AI computing power construction, rising memory chip prices, and the implementation of the company's "Storage +" strategy, along with the rapid growth of new products such as MCUs, optimizing product structure and driving dual growth in revenue and gross profit margins. 7. China United Network Communications: Net profit of 4.139 billion yuan in the first half of the year, a year-on-year decrease of 34.8%. China United Network Communications announced that its operating income for the first half of 2026 was 20.136 billion yuan, a year-on-year increase of 0.6%. The net profit attributable to the shareholders of the listed company was 4.139 billion yuan, a year-on-year decrease of 34.8%; the net profit excluding non-recurring gains and losses was 3.534 billion yuan, a year-on-year decrease of 36.7%. Basic earnings per share were 0.133 yuan. The company will not distribute a mid-term dividend. 8. Power Construction Corporation of China, Ltd (POWERCHINA): New contract amount signed in the first seven months was 640.456 billion yuan, a year-on-year decrease of 13%. Power Construction Corporation of China, Ltd (POWERCHINA) announced that the total amount of new contracts signed from January to July 2026 was 640.456 billion yuan, a year-on-year decrease of 13%. Among them, the domestic contract amount was 439.641 billion yuan, a year-on-year decrease of 24.21%; the overseas contract amount was 200.815 billion yuan, a year-on-year increase of 28.66%. 9. Shenzhen Bluetrum Technology: Net profit of 480 million yuan in the first half of the year, a year-on-year increase of 265.77%. Shenzhen Bluetrum Technology announced that it achieved an operating income of 905 million yuan in the first half of 2026, a year-on-year increase of 11.52%. The net profit attributable to shareholders of the listed company was 480 million yuan, a year-on-year increase of 265.77%. The net profit attributable to shareholders of the listed company, excluding non-recurring gains and losses, was 102 million yuan, a year-on-year decrease of 7.95%. In the same period last year, the net profit was 131 million yuan. There is no profit distribution plan for this reporting period. 10. Suzhou TFC Optical Communication: Net profit in the first half of the year increased by 34%, with sustained stable growth in demand for high-speed optical devices. Suzhou TFC Optical Communication announced that it achieved an operating income of 2.828 billion yuan in the first half of 2026, a year-on-year increase of 15.15%; the net profit attributable to shareholders of the listed company was 1.204 billion yuan, a year-on-year increase of 33.92%. The growth in performance was mainly due to the accelerated development of the global artificial intelligence industry and the construction of global data centers and AI supercomputing centers, which drove a sustained stable growth in demand for high-speed optical devices. Despite individual material supply shortages during the reporting period that significantly impacted the company's active optical device production, the company relied on its highly reusable technology platform and vertically integrated advantages to provide a rich range of optical interconnect product solutions for customers, while continuing to push for automation upgrades to promote smart manufacturing and lean improvements, achieving year-on-year growth in performance. The company plans to distribute a cash dividend of 5 yuan (including tax) for every 10 shares to all shareholders. 11. Guotai Haitong: Net profit of 20.26 billion yuan in the first half of the year, a year-on-year increase of 28.74%. Guotai Haitong announced that it achieved an operating income of 47.163 billion yuan in the first half of 2026, a year-on-year increase of 97.56%; the net profit attributable to the parent company was 20.26 billion yuan, a year-on-year increase of 28.74%. The company plans to distribute a cash dividend of 3.0 yuan (including tax) for every 10 shares to A-share and H-share shareholders, with a total cash dividend of 5.254 billion yuan (including tax), accounting for 25.93% of the net profit attributable to the parent for the first half of 2026. 12. China Securities Co., Ltd.: Net profit of 7.639 billion yuan for the first half of 2026, a year-on-year increase of 69.44%. China Securities Co., Ltd. announced that it released its semi-annual report for 2026, achieving an operating income of 16.229 billion yuan, a year-on-year increase of 51.11%; the net profit attributable to the parent company was 7.639 billion yuan, a year-on-year increase of 69.44%. The company plans to distribute a cash dividend of 2.90 yuan (including tax) for every 10 shares to all shareholders. 13. Jiangsu Toland Alloy: Net profit of 249 million yuan for the first half of 2026, a year-on-year increase of 167.92%. Jiangsu Toland Alloy announced that its operating income for the first half of 2026 was 1.023 billion yuan, a year-on-year increase of 70.90%; the net profit attributable to shareholders of the listed company was 249 million yuan, a year-on-year increase of 167.92%; the net profit attributable to shareholders of the listed company, excluding non-recurring gains and losses, was 247 million yuan, a year-on-year increase of 173.51%. The company proposes to distribute a cash dividend of 1.5 yuan (including tax) for every 10 shares based on 396 million shares. 14. Ningbo Jintian Copper (Group): Plans to spin off its holding subsidiary, Kedian Magnetic Industry, for listing, currently in the planning stage. Ningbo Jintian Copper (Group) announced that it plans to spin off its holding subsidiary Ningbo Kedian Magnetic Industry Co., Ltd. to list on the domestic stock exchange. The company held a board meeting on August 18, 2026, to review and approve relevant proposals and agreed to start the preparatory work for the spin-off listing. This spin-off listing is still in the preliminary planning stage, and no specific plan has been formed yet, with uncertainties involved. 15. Jones Tech Plc: Major shareholder plans to transfer shares by agreement, and business cooperation with Zhongji Innolight is still in the verification period. Jones Tech Plc announced that its stock has experienced an accumulated deviation of more than 100% in trading volume over 10 consecutive trading days from August 5 to August 18, 2026, indicating a serious abnormal fluctuation in stock trading. After verification, the company's previously disclosed information does not need to be corrected, and there has been no significant change in its operating conditions and external environment. The company's major shareholders, Wu Xiaoning, Ye Lu, and Han Wu, signed a "Share Transfer Agreement" with Zhongji Innolight on August 13, 2026, which still requires compliance confirmation and transfer procedures from the Shenzhen Stock Exchange. The business cooperation between the company and Zhongji Innolight has not yet generated revenue and remains in the product verification and introduction phase. 16. Shanghai Kelai Mechatronics Engineering: Major shareholder Chen Jiukang plans to reduce his holdings by no more than 3%. Shanghai Kelai Mechatronics Engineering announced that its major shareholder and actual controller, Chen Jiukang, holds 41.8245 million shares, accounting for 15.9515% of the total share capital of the company, and plans to reduce his holdings by a total of no more than 7.8658 million shares, accounting for 3% of the total share capital, through centralized bidding and block trading from September 9, 2026, to December 8, 2026. Among them, the centralized bidding reduction will not exceed 2.6219 million shares (1%), and the block trading reduction will not exceed 5.2439 million shares (2%), with the reason for the reduction being personal financial needs. Operating Performance 1. AVIC (Chengdu) UAS: Net profit increased by 72.87% year-on-year in the first half of 2026. 2. Zhejiang Hangmin: Net profit of 300 million yuan in the first half of the year, a year-on-year decrease of 4.59%. 3. Dalian Demaishi Precision Technology: Net profit of 15.2215 million yuan in the first half of the year, a year-on-year decrease of 36.55%. 4. Beijing Forever Technology: Loss of 31.1354 million yuan in the first half of the year, turning from profit to loss year-on-year. 5. Shenzhen Bluetrum Technology: Net profit increased by 265.77% year-on-year in the first half of the year. 6. SMS Electric: Net loss of 44.5743 million yuan in the first half of the year. 7. Shede Spirits: Net profit of 145 million yuan in the first half of the year, a year-on-year decrease of 67.26%. 8. Fuyao Glass Industry Group: Net profit decreased by 17.37% year-on-year in the first half of the year. 9. Sublime China Information: Net profit of 36.462 million yuan in the first half of the year, a year-on-year increase of 3.76%. 10. Shandong Fiberglass Group Corp.: Net profit increased by 234.89% year-on-year in the first half of the year. 11. Ningbo Jintian Copper (Group): Net profit of 442 million yuan in the first half of the year, a year-on-year increase of 18.44%. 12. Fujian Yanjing Huiquan Brewery: Net profit of 48.7773 million yuan in the first half of the year, a year-on-year increase of 23.26%. 13. Jiangsu Toland Alloy: Net profit increased by 167.92% year-on-year in the first half of 2026. 14. Solareast Holdings: Net profit of 36.6463 million yuan in the first half of the year, a year-on-year decrease of 11.27%. 15. Hangzhou Heatwell Electric Heating Technology: Net profit of 163 million yuan in the first half of the year, a year-on-year increase of 1.76%. 16. Lanzhou Lishang Guochao Industrial Group: Net profit increased by 29.73% year-on-year in the first half of the year, proposing 1 dividend of 0.1 yuan. 17. Hesai-W: Net income of 861 million yuan in the second quarter of 2026, a year-on-year increase of 21.9%. 18. Sinomach General Machinery Science & Technology: Net profit of 32.7798 million yuan in the first half of the year, a year-on-year increase of 2.23%. 19. Shandong Head Group: Net profit increased by 88.27% year-on-year in the first half of the year, proposing a dividend of 2 yuan for every 10 shares. 20. Tianshan Aluminum Group: Net profit of 4.177 billion yuan in the first half of the year, a year-on-year increase of 100.44%. 21. Zhejiang Huayou Cobalt: Net profit increased by 29.38% year-on-year in the first half of 2026. 22. Focus Media Information Technology: Net profit increased by 17.39% year-on-year in the first half of the year, proposing a dividend of 0.5 yuan for every 10 shares. 23. Yealink: Net profit of 1.524 billion yuan in the first half of the year, a year-on-year increase of 22.92%. 24. Guangdong Fuxin Technology: Net profit of 22.081 million yuan in the first half of the year, a year-on-year increase of 8.52%. 25. Beijing Tieke Shougang Railway-Tech: Net profit of 88.597 million yuan in the first half of the year, a year-on-year increase of 32.38%. 26. Jiangyin Zhongnan Heavy Industries: Net profit of 30.587 million yuan in the first half of the year, a year-on-year decrease of 49.85%. 27. HAITONG UT: Net profit of 596 million yuan in the first half of the year, a year-on-year decrease of 24.1%. 28. Zhejiang Hengda New Material: Net profit of 53.848 million yuan in the first half of the year, a year-on-year increase of 57.29%. 29. Guangdong Decro Film New Materials: Net profit of 60.9371 million yuan in the first half of the year, a year-on-year increase of 63.80%. 30. Xizang Zhufeng Resources: Net profit of 355 million yuan in the first half of the year, a year-on-year increase of 18.03%. Risk Warning on Stock Volatility 1. Beijing Capital Development: Litigation initiated due to contract disputes, involved amount approximately 1.143 billion yuan. 2. Zhejiang Hisun Biomaterials: Wholly-owned subsidiary involved in construction contract disputes, amount involved 67.6074 million yuan. 3. Anhui Fuhuang Steel Structure: Subject to creditor's application for pre-restructuring and restructuring. 4. Chengdu Xuguang Electronics: Stock trading shows abnormal fluctuations, the company's production and operations are normal. 5. Hunan Huamin Holdings: Main business has not undergone significant changes. Repurchase & Changes in Holdings 1. Guangdong Huiyun Titanium Industry: Obtained special financing support from financial institutions not exceeding 22 million yuan for stock repurchases. 2. PNC Process Systems: Plans to transfer 20 million yuan for a 1.1527% stake in a joint venture company. 3. Beijing Science Sun Pharmaceutical: Consistent action partner Liu Shuqins 1.82% stake inherits from Ma Li. 4. Hengyu Technology: Shareholder inquiry transfer at a price of 67.81 yuan per share. 5. Suzhou Chunqiu Electronic Technology: Major shareholders holding ratio diluted to 29.08% due to convertible bond conversions. 6. Zhejiang Yunzhongma: First-time repurchase of 118,100 shares, payment amounting to 4.997 million yuan. 7. Chongqing Sulian Plastic: Actual controller Han Zongjun's increase plan halfway through, having increased by approximately 14.9977 million yuan. 8. Yantai North Andre Juice: Major shareholders 45% stake transferred to Wang Meng, changing the legal representative. 9. ZYF Lopsking Material Technology: Plans to acquire a 51% stake in Mengying Technology. 10. Jiangsu Rijiu Optoelectronics Joint-stock: Repurchase ratio reached 1.5905%, with a total transaction amount of 50.0027 million yuan. 11. GigaDevice Semiconductor Inc.: Fourth largest shareholder Ge Weidong increased his holdings by 185,100 shares in the second quarter. 12. Espressif Systems: Chairman proposed a share repurchase of between 100 million and 200 million yuan. 13. New Journey Health Technology Group: Plans to acquire 51% stake in Zep Medical for 437 million yuan. 14. Shenzhen AOTO Electronics: Plans to raise no more than 265 million yuan through a private placement for upgrading Micro LED COB smart manufacturing projects, etc. 15. Shanghai Challenge Textile: Wholly-owned subsidiary sells 7% stake in an offshore joint venture; formal agreement signed. 16. Jiangsu Yabang Dyestuff: Plans to list 100% stake in Daobo Chemical and its debts for transfer, initial listing price undecided. 17. Fujian Nanping Sun Cable: Shareholders holding more than 5% such as Xiangyu Group and its consistent action partners have reached the end of the reduction plan but did not reduce their holdings. 18. Shanghai Kelai Mechatronics Engineering: Major shareholder and actual controller Chen Jiukang plans to reduce his holdings by no more than 3%. 19. BlueFocus Intelligent Communications Group: Subsidiary plans to sell 20% stake in Xihongshu Interactive for 38.7 million yuan. 20. Cultural Investment Holdings: Plans to acquire 100% stake in Huailai Film City for 4.1188 million yuan. 21. Koal Software: Lu Haitian plans to reduce his holdings by no more than 1.9996%. 22. Kingsemi Co., Ltd.: Plans to list the transfer of a 50% stake in Guangzhou Xinzhi, base price to be determined. 23. Shang Hai Huitong Energy: Chongqing Elements plans to reduce its holdings by no more than 0.97%. Major Contracts Signed 1. Kunshan Dongwei Technology: Signed daily operational sales contract worth 163 million yuan. 2. Beijing Creative Group: Won a bid for Southern Power Grid distribution equipment project, worth about 304 million yuan. 3. Sharetronic Data Technology: Signed a financing lease contract for high-performance servers worth 498 million yuan with Jiyin Gold Leasing. 4. Beijing Asiacom Information Technology: Subsidiary signs an 868 million yuan compute power service procurement contract. 5. Power Construction Corporation of China, Ltd (POWERCHINA): New contract amount signed in the first seven months of 640.456 billion yuan, a year-on-year decrease of 13%. 6. Zhejiang Entive Smart Kitchen Appliance: Subsidiary signs a 1 billion yuan computing center construction contract. 7. Rongjie Energy: Received an order for 4GWh storage from India. This article is reproduced from "Tencent Self-Selected Stocks," edited by Chen Wenfang from GMTEight.