A-shares: Interpretation of important announcements of four listed companies, Runda Medical, China Steel Tianyuan, Anhui Construction Engineering, and Jinqiao Information; the four major A-share indexes have shown a strong market, and the Science and Technology Innovation 50 Inde

A shares : Interpretation of important announcements of 34 listed companies, Runda Medical, Zhonggang Tianyuan , Anhui Construction, Jinqiao Information ; the four major A-share indexes have shown a strong market, and the Science and Technology Innovation 50 Index led the rise, rising 3.12%, closing at 1002 points; ChiNext rose 3.07%, closing at 2346; the Shenzhen Component Index rose 1.8%, closing at 11109 points; Shanghai Component Index rose 0.75%, closing at 3058 points; northbound funds flowed in 5.8 billion, trading volume significantly amplified, and the index entered a volatile high-level area. If it continues to rise strongly, there is a chance to confirm the low level, otherwise, it is still a rebound market.

. Anhui Construction Construction 600502: hot money drives up, with a fast rise and a large increase. Beware of the risk of long-term decline after the main force shipments at high and huge volumes.

Anhui Construction Engineering Group Co., Ltd.'s annual dividend implementation plan for 2021: Based on the capital of 1.721 billion shares, a cash dividend of 2.5 yuan (including tax, 2.25 yuan after tax) will be paid to all shareholders for every 10 shares, and the total cash dividend will be 430 million yuan. The equity registration date is May 16, 2022, and the ex-rights and ex-dividend date is May 17, 2022.

announcement analysis, normal dividend and dividend announcement will not affect the normal operation of the company; Anhui Construction Engineering Group Gross profit margin is 11.8%, stable performance and excellent; the controlling shareholder is Anhui Construction Engineering Group Holding Co., Ltd., and the actual controller is State-owned Assets Supervision and Administration Commission of the Anhui Provincial People's Government .

Company has the first-level general contracting of water conservancy and hydropower engineering construction general contracting of , the first-level general contracting of house construction engineering construction, the first-level general contracting of highway engineering construction, the first-level general contracting of municipal public engineering construction, the first-level general contracting of earthwork engineering professional contracting of highway roadbed engineering professional contracting of highway subgrade engineering professional contracting of professional contracting of professional contracting of tectonics of construction decoration and decoration engineering, the second-level general contracting of port and waterway engineering construction and urban landscaping qualifications, as well as the production and installation qualifications of large-scale hydraulic metal structures.

While developing traditional construction business, the company is focusing on promoting structural adjustment and business transformation, vigorously developing engineering businesses such as PPP, EPC; steadily developing real estate business, transforming from traditional construction to investment and operation, forming a complete industrial chain covering the upstream and downstream of the construction industry.

Anhui Construction is a listed company on the main board of Shanghai Stock Exchange . The stock trend is stronger than the Shanghai Stock Exchange Index. The stock is active, the short-term trend is very strong, and the trading volume is very large. It is obviously a hot money-driven rise. The rise is fast and the amplitude is large. Beware of the risk of long-term decline after the main force shipments at a high level.

2. Runda Medical 603108: stocks have very large short-term fluctuations, and the trading volume at high levels is very large. The funds are shipped significantly. Beware of risks!

Shanghai Runda Medical Technology Co., Ltd. mentioned that during the nucleic acid screening process of the company's subsidiary Shanghai Zhongke Runda Medical Laboratory Co., Ltd., some samples tested positive during the nucleic acid screening process in Huangpu District, Shanghai, but the relevant cases tested negative after entering the square hospital. Based on this, the accuracy of the nucleic acid test data of Zhongke Laboratory nucleic acid test was questioned. The company attaches great importance to it and has asked Zhongke Laboratory to initiate an internal self-inspection on the relevant situation and cooperate with relevant departments to investigate. If there are any relevant circumstances that need clarification or explanation, the company will promptly fulfill its information disclosure obligations.

announcement analysis, responding to the media's announcement on the accuracy of the nucleic acid testing data of the company Zhongke Laboratory, pay close attention; Runda Medical's gross profit margin is 27%, and its performance declines greatly; the controlling shareholder is Hangzhou Gongshu District State-owned Investment Holding Group Co., Ltd., and the actual controller is Hangzhou Gongshu District People's Government.

As a comprehensive service provider for medical laboratories, the company mainly provides comprehensive services for in vitro diagnostic products and professional technical support to various medical laboratories. The size of the in vitro diagnostic market is closely related to factors such as a country's population base, per capita medical expenditure, medical insurance level, medical technology and service levels.The circulation and service models of foreign in vitro diagnostic products have become very mature. Professional comprehensive service providers have become an indispensable link in the in vitro diagnostic product industry chain with their professional logistics and warehousing systems, technical services and service networks.

Runda Medical is a listed company on the main board of the Shanghai Stock Exchange. The stock trend is weaker than the Shanghai Composite Index and the trend is relatively sluggish; the stock's short-term fluctuation range is very large, the trading volume at high levels is very large, and the capital shipments are obvious. Beware of risks!

3. Jinqiao Information 603918: The stock price trend is sluggish, with long-term low fluctuations; the stock small trend fluctuates and falls at low levels, be cautious!

Shanghai Jinqiao Information Co., Ltd. received a "Notice on Reducing the Holding of the Company's Shares" from the controlling shareholder Mr. Jin Guopei. Mr. Jin Guopei reduced his holdings of the company's shares through bulk transactions and reduced his holdings of the company's shares by 3,667,460 shares through centralized bidding transactions. After the reduction, Mr. Jin Guopei held 69,368,339 shares of the company, accounting for 18.91% of the company's total share capital; the reduction plan has been implemented.

Announcement analysis, the controlling shareholder reduced his holdings, which is negative, but will not affect the normal operation of the company; Jinqiao Information's gross profit margin is 30.16%, and his performance is loss; Jinqiao Information's controlling shareholder (actual controller) is Mr. Jin Guopei.

The company's main business is to provide customers with various multimedia information system industry application solutions and services; the company's main products include multimedia conference systems, emergency command center systems, science and technology court systems and multimedia information systems and industry solutions in other industries, all of which are at the leading level in the industry, among which the multimedia conference system business occupies a leading position in China.

Jinqiao Information is a listed company on the main board of the Shanghai Stock Exchange. The stock trend is weaker than the Shanghai Composite Index. The stock price trend is sluggish and it is fluctuating for a long time. The stock small trend fluctuates and falls at a low level. Be cautious!

4. China Steel Tianyuan 002057: The stock market has a small trend that fluctuates sideways, it is difficult to rise sharply, and the chance of a big drop is also small. The risk comes from continuing to fluctuate sideways!

Zhonggang Tianyuan Co., Ltd. and Huan Securities Co., Ltd. signed the "Huan Securities Co., Ltd. Yuanyang Xinli 19th Floating Income Certificate Subscription Agreement", using 30 million yuan of idle raised funds for cash management, with a fixed rate of return of 3.20%.

Announcement analysis, normal financial management announcements do not affect the normal operation of the company and the stock trend; China Steel Tianyuan's gross profit margin is 22.69%, with a large increase in performance, but mainly due to a low base and non-high-performance stocks; China Steel Tianyuan's controlling shareholder is China Steel Capital Holdings Co., Ltd., and the actual controller is the State-owned Assets Supervision and Administration Commission of the State Council.

Company is mainly engaged in the research, development, production and sales of magnetic materials, magnetic devices, magnetic separation and related supporting equipment, as well as magnet motor ; its main business is constantly developing and growing, and it is a leading enterprise in the construction of magnetic materials base in Anhui Province; the Magnetic Materials and Devices Branch of China Electronic Components Industry Association has its business scope covering relevant domestic and foreign market segments.

Zhonggang Tianyuan is a listed company on the Shenzhen Stock Exchange main board. The stock trend is stronger than the Shenzhen Component Index. The stock is active, the stock trend is small, the stock trend fluctuates sideways, it is difficult to rise sharply, and the chance of a big drop is also small. The risk comes from continuing sideways fluctuations!

Stock Market Investment Maxim Interpretation

Buffett A very famous saying: " If the market is always effective, I will only become a homeless man carrying a tin can on the street." The stock market is very emotional and is greatly affected by the emotions of investors in the trading market. Therefore, the market often shows irrational trends. At this time, if investors can remain rational and calm, it is undoubtedly the beginning of success!

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