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China Huaneng and Huawei signed a strategic cooperation agreement. On December 6th, China Huaneng Group Co., Ltd. (hereinafter referred to as "Huaneng") and Huawei Technologies Co., Ltd. (hereinafter referred to as "Huawei") signed a strategic cooperation agreement. Wen Shugang, Chairman and Party Secretary of Huaneng Group, held talks and witnessed the signing of the contract with Meng Wanzhou, rotating chairman and CFO of Huawei, and jointly unveiled Huaneng-Huawei New Energy joint innovation lab. According to the agreement, the two sides will continue to deepen strategic cooperation in the fields of clean energy cooperation, digital transformation cooperation, the establishment of joint innovation lab, and corporate culture exchange.More than 700 listed companies have announced the replacement of the audit institutions in 2024. According to incomplete statistics, since the beginning of this year, the number of listed companies planning to replace the accounting firms in 2024 has exceeded 700. Among them, the number of listed companies that intend to change accounting firms in October and November is 248 and 200 respectively. Looking back at the "exchange tide", three phenomena stand out: First, in order to improve the quality and ability of capital market intermediaries, the supervision of accounting firms by the regulatory authorities has been significantly enhanced. Based on the principle of prudence, listed companies collectively cancel the contract with the "problem institute"; Second, under the heavy penalty, more and more accountants choose to change their firms to practice, while listed companies choose to change their firms instead of accountants; Third, listed companies employ audit institutions through competitive negotiation, public bidding, invitation bidding, etc. In the bidding process, in order to attract more customers and increase the signing rate, the phenomenon of audit institutions reducing prices has increased. (Securities Daily)Shengmei Shanghai: The plasma enhanced atomic layer deposition furnace tube equipment has passed the preliminary verification. Shengmei Semiconductor Equipment (Shanghai) Co., Ltd. announced in Guanwei today that its Ultra Fn A plasma enhanced atomic layer deposition furnace tube equipment (PEALD) launched in 2024 has passed the preliminary process verification of a semiconductor customer in Chinese mainland, and is undergoing the final optimization and preparing for mass production. Shengmei Shanghai also announced that its Ultra Fn A Thermal Atomic Layer Deposition Furnace Equipment (Thermal ALD) launched in 2022 has also successfully passed the process verification of another leading Chinese mainland customer, and its performance parameters are comparable to or even better than those of similar international competitors.

Argentine President Millai: Argentines can now trade in any currency.GM will withdraw from the driverless taxi business, and the Cruise self-driving car division of GM will withdraw from the driverless taxi business. According to a statement on Tuesday, Cruise and GM's technical team will be combined to focus on developing autonomous driving and advanced driver safety technology for GM's future sales models. GM said that it will no longer provide funds for the development of self-driving taxis "considering the large amount of time and resources needed to expand its business scale and the increasingly fierce competition in the self-driving taxi market". The company said that giving up the development of self-driving taxis will save it more than $1 billion in annual costs.SpaceX is valued at about $350 billion due to internal stock sales. According to an email sent to employees seen by the media, SpaceX and its investors have agreed to acquire the company's common stock of up to $1.25 billion at a price of $185 per share. This transaction values elon musk's rocket and satellite manufacturer at about $350 billion.

Google asked the US Federal Trade Commission (FTC) to terminate the exclusive cloud service agreement between Microsoft and OpenAI.Institution: In November, the average price of second-hand residential buildings in Baicheng dropped by 0.57% month-on-month. According to the 100-city price index of China's real estate index system, in November 2024, the average price of second-hand residential buildings in Baicheng fell by 0.57% month-on-month, narrowing by 0.03 percentage points from last month. It fell by 7.29% year-on-year. In November, the average price of second-hand residential buildings in the top ten cities fell by 0.17% month-on-month, which was 0.16 percentage points lower than that of the previous month. It fell by 7.16% year-on-year, and the decline was narrowed by 0.36 percentage points from the previous month. In terms of cities, the prices of second-hand houses in Shenzhen and Chengdu rose by 0.21% and 0.12% respectively. Nanjing had the largest decline from the previous month, with 0.60%; Wuhan, Hangzhou and Tianjin followed closely, with decreases of 0.43%, 0.42% and 0.31% respectively. Guangzhou, Shanghai and Beijing all experienced month-on-month declines of 0.1%-0.3%; Chongqing (the main city) has the smallest decline of 0.07%. In terms of year-on-year, Wuhan and Nanjing experienced large year-on-year declines, accounting for 10.82% and 10.24% respectively. Chongqing (the main city), Beijing, Hangzhou and Shanghai all experienced year-on-year declines of 7%-9%; The prices of second-hand houses in Tianjin, Guangzhou and Chengdu all fell by 5-7% year-on-year; Shenzhen fell by 4.42% year on year.Details of the life of the murder suspect of UnitedHealth Insurance Company surfaced. On Tuesday, Luigi Mangione, the suspect accused of shooting a senior executive of United Health, had a brief struggle with police officers and shouted angrily when he was taken to a court in Pennsylvania. Man Ghioni, 26, turned to a group of reporters and shouted, "... completely unsociable, insulting the wisdom of the American people!" And then pushed away by the police. It is not clear what he is referring to. On Tuesday, more clues about his possible motive gradually surfaced. According to the police, Man Ghione had a handwritten declaration when he was arrested, which can let people know his mentality. According to The New York Times, an internal report of the new york police, after analyzing the document, concluded that Man Ghioni believed that killing was a proper response to what he thought was corruption in the medical industry. It is reported that Mann Ghioni wrote in the manifesto: "These parasites deserve it". According to Mancini's friends, his social media posts and other news reports, Mancini suffers from chronic back pain, which limits his daily life. His profile on X-ray shows an X-ray background picture with screws and steel plates inserted into his lower back.