Here are the key corporate announcements from the A-share market today.
Tcl Technology Group Corporation (SZSE: 000100)
The company has announced a plan to repurchase its own shares using its own funds and raised capital through centralized bidding transactions. The total repurchase amount will be between RMB 1.1 billion and RMB 1.2 billion, with a maximum price per share of RMB 6.6. This is expected to involve approximately 182 million shares, representing about 0.87% of the company's total share capital.
Bewinner Storage Co.,Ltd. (SHA: 688525)
Shareholders, including Baisheng Erhao, Baitai Yihao, Desheng Sanhao, and Hainan Fangtai Yihao, have completed a reduction plan. Between May 18 and May 29, 2026, they cumulatively sold 4.7082 million shares, representing 1.00% of the total share capital, through block trades and centralized bidding.
*ST Jieneng Energy Saving Co.,Ltd. (SZSE: 000820)
The company has received a notice of investigation from the China Securities Regulatory Commission (CSRC) on June 2. The investigation is related to suspected violations of information disclosure regulations. The company has stated it will fully cooperate with the CSRC's investigation.
Soochow Securities Co.,Ltd. (SHA: 601555)
The company has proposed to acquire an 83.68% stake in Donghai Securities Co., Ltd. from 60 counterparties, including Changzhou Investment Group Co., Ltd., through a combination of share issuance and cash payment. The total transaction value is RMB 11.519 billion. The proposal has been approved by the board of directors and requires further approvals from the shareholders' meeting, the Shanghai Stock Exchange, and the CSRC.
Vanfund Urban Investment & Development Co.,Ltd. (SZSE: 000638)
The company's shares will be delisted from the Shenzhen Stock Exchange on June 3, 2026. The decision to terminate the listing was made on May 25, 2026, as the company's total market capitalization had remained below RMB 500 million for 20 consecutive trading days, triggering a mandatory delisting rule. The company has appointed Hualong Securities Co., Ltd. as its designated broker for the subsequent transfer of shares to the delisting board of the National Equities Exchange and Quotations system.
Torch Electron Co., Ltd. (SHA: 603678)
In a volatility announcement, the company clarified that as of the end of 2025, revenue from its self-produced Multi-Layer Ceramic Capacitor (MLCC) business accounted for approximately 17% of its main business revenue. Applications in computing power infrastructure are still in a cultivation phase, contributing a very low proportion of revenue with limited impact on performance and significant uncertainty.
Micronvision Corporation (SHA: 688079)
The company issued a volatility announcement regarding market interest in "glass substrate" concepts. It stated that in 2025, revenue from semiconductor-related glass substrate products accounted for about 2% of total revenue, having a minor impact on performance. Its power chip wafer-level packaging and testing products are still in the verification stage and have not generated any revenue to date.
Huaxi Nonferrous Metals Co., Ltd. (SHA: 600301)
The company's stock price has risen by over 20% in the last three trading days, triggering an abnormal trading volatility notice. The company stated its operations are normal with no significant undisclosed events. It noted recent media reports and high market interest in the tin industry. Major shareholders did not trade the stock during the volatile period.
Beijing Oriental Yuhong Waterproof Technology Co., Ltd. (SZSE: 002271)
The company's controlling subsidiary, Yuhong Indonesia, plans to invest approximately RMB 542 million to acquire a 55% stake in two Indonesian companies, PT IALK and PT ACUM, through capital increases and share purchases, aiming to expand its overseas market presence.
Suzhou Everbright Photonics Co., Ltd. (SZSE: 300502)
The company announced that the proportion of its silicon photonics solution products is expected to continue increasing. Silicon photonics products have become mainstream, with their share significantly higher this year compared to last. The company has established partnerships with major foundries and is planning for future capacity to ensure supply.
GigaDevice Semiconductor Inc. (SHA: 603986)
The company announced that a private equity fund it invested RMB 400 million in has completed its filing with the Asset Management Association of China on June 1, 2026.
Datang International Power Generation Co., Ltd. (SHA: 601991)
The company issued a risk warning as its stock price rose 28.21% over five consecutive trading days. It clarified that its business is currently primarily based on thermal power generation, with no operational computing-power collaboration projects yet invested in.
Chenghe Technology Co., Ltd. (SHA: 688625)
The company's wholly-owned subsidiary plans to invest up to RMB 1.3 billion to construct a project for high-frequency, high-speed electronic materials and high-end additives in Dongguan, Guangdong. The project has been approved by the board of directors.
Jinfang Energy Co., Ltd. (SZSE: 001210)
The company's stock experienced abnormal volatility, rising over 20% in two days. It clarified that heating services account for over 90% of its main revenue. Its cold storage and energy storage business is still in development, contributing less than 3% of total revenue. The company is not involved in liquid cooling or power supply businesses. Its smart energy system is for internal use only.
Lanpec Technologies Limited (SHA: 601798)
The company plans to acquire a 51% stake in China Air Separation Plant Engineering Co., Ltd. for RMB 131 million in cash from China Perfect Machinery Industry Corporation Ltd. The seller has provided profit commitment targets for 2026-2028.
Zaisheng Technology Co., Ltd. (SHA: 603601)
Following a stock price decline triggering an abnormal volatility notice, the company stated it has identified market participants spreading fabricated false information. It has secured evidence and may report the matter to regulatory authorities and public security organs to pursue legal action.
Spring Electronics Co., Ltd. (SHA: 603890)
The company issued a risk clarification announcement. It stated that while Dell is a customer for its laptop structural components, it does not manufacture AI PC end-products or related key components like AI PC chips. It currently has no large-scale robotics business. Its acquisition of Asetek is complete, but Asetek's data center liquid cooling business remains suspended with uncertain prospects for restarting.
Amoy Diagnostics Co., Ltd. (SZSE: 300685)
The company announced that its controlling shareholder, Foresight Investments (Hong Kong) Limited, is planning a change of control, which may alter the controlling shareholder and actual controller. Trading will remain suspended for up to three more trading days starting June 3, 2026.
Cosco Shipping Energy Transportation Co., Ltd. (SHA: 600026)
The company's indirect wholly-owned subsidiary has signed contracts to build four 175,000 cubic meter LNG vessels for a total investment of RMB 6.445 billion. The vessels are scheduled for delivery between 2029 and 2030 and will be chartered to Shell Tankers for seven years, generating approximately RMB 5.4 billion in charter fees.
Highlights of Other Market Movements
Several companies issued risk warnings or clarifications regarding stock price volatility, market speculation, business operations, and financial status.
Key Operational Data Releases
Companies including Changyuan Electric Power, Yutong Bus, Guangzhou Port, Dong'an Power, and Qianli Technology released operational data for May 2026, showing varied performance in power generation, vehicle sales, and port throughput.
Share Repurchases and Ownership Changes
A series of announcements detailed activities including equity transfers, share repurchases, and changes in shareholdings through management and shareholder purchases or sales.
Major Contract Signings
Companies including Zhongnan Publishing & Media Group, Cofoe Medical Technology, Siquan New Material, Shenglan Shares, Yonggui Electric, and Jindu Industry announced the signing or winning of significant procurement contracts, project bids, or framework agreements.
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