online digital currency exchange Top Knowledge

The Hang Seng Index and Hang Seng Science and Technology Index both fell, while Meituan (03690.HK), Xpeng Motors (09868.HK) and JD.COM (09618.HK) all fell more than 2%.Dazhong Mining Co., Ltd.: It is independently developing driverless technology, and is currently implementing intelligent upgrading and transformation of existing vehicles. Dazhong Mining Co., Ltd. said on the interactive platform on December 12 that the company is independently developing driverless technology and is currently implementing intelligent upgrading and transformation of existing vehicles. The company's unmanned driving is still in the stage of research and development and debugging. In the future, through technological innovation and continuous optimization, the system performance will be improved, the practical application of unmanned driving technology for underground electric locomotives will be realized, the intelligent process of the company will be promoted, the number of operators will be reduced, and the safety in production will be guaranteed.The concept of PEEK materials fell by more than 10%, and the concept of PEEK materials fell by more than 10%, while Sinoresearch, Zhongxin Fluoride, Shuanglin, Walter and Jusailong fell.

Long bright technology won an order from the state-owned bank Xinchuang, and recently, long bright technology successfully won an expert order from a state-owned bank for the "Innovation Project of Localization of Bank Card Clearing System".OpenAI responded to ChatGPT downtime. On December 12th, OpenAI confirmed that ChatGPT, an artificial intelligence chat robot, was currently experiencing a worldwide downtime, which made users unable to use it. This problem also affects the integration function between iOS 18.2 and Siri. According to OpenAI, the company has identified the cause of the outage and is actively repairing it. Although their goal is to restore the function of ChatGPT as soon as possible, they have not provided a specific recovery schedule.The South Korean prosecutor once again summoned Brother Lv Yinxiong, the anti-espionage commander of the Ministry of National Defense. On the 12th local time, the South Korean prosecutor once again summoned Brother Lv Yinxiong, the core figure of the "emergency martial law incident". (CCTV News)

Brother Technology: PEEK is a key application field of hydroquinone, and the company is still in the promotion stage. Brother Technology (002562) said on the interactive platform that the company's hydroquinone products are mainly sold to domestic mainstream acrylic acid producers, and PEEK is a key application field of hydroquinone, and the company is still in the promotion stage; The production capacity of the second phase project of hydroquinone is being released as planned. At present, the company has a production capacity of 20,000 tons of catechol and hydroquinone. Regarding the industrial chain extension plan, the company will carry out relevant work according to the strategic plan and disclose information in time according to the requirements of information disclosure.The central bank today conducted a seven-day reverse repurchase operation of 66.1 billion yuan, and the winning bid rate was 1.50%, which was the same as before. As 37.3 billion yuan of 7-day reverse repurchase expired today, the net investment on that day was 28.8 billion yuan.At the opening of the morning session, the main domestic futures contracts rose more and fell less. Fuel oil and low-sulfur fuel oil (LU) rose more than 2%, No.20 glue and SC crude oil rose more than 1%, and Shanghai tin, p-xylene (PX), soybean oil, vegetable oil and ethylene glycol (EG) rose nearly 1%. In terms of decline, soybean meal, BR rubber and Shanghai lead fell by nearly 1%.