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Zhao Xiongwen, a famous expert in communication field and a professor at North China Electric Power University, died of illness at the age of 61. (澎湃)Brazilian President's Office: Brazilian President Lula recovered well after surgery, and his speech and diet were normal.Maiwell Technology rose more than 11% to a record high, and announced a breakthrough in customized high-bandwidth memory. Maiwell Technology rose more than 11% in intraday trading to US$ 121.86, with its share price reaching a record high and its market value exceeding US$ 100 billion. Maywell Technology announced on Wednesday that the company has made a breakthrough in customized high-bandwidth memory (HBM) for artificial intelligence processors. It is reported that the new artificial intelligence accelerator architecture (XPU) will increase computing power by 25%, memory by 33%, and improve energy efficiency. The company is cooperating with Micron Technology, Samsung and SK Hynix to customize HBM processors for accelerators.

Analyst: Britain's economic contraction for the second consecutive month sounded the alarm. AJ Bell analyst Danni Hewson said in a report that one month's data can't tell the whole story, but when the British economy contracted for two consecutive months-just like September and October-it is worthy of attention. The last time the economy contracted for two consecutive months was during the first pandemic blockade in 2020. She said that the uncertainty before the government budget may lead individuals and businesses to avoid spending for fear of possible tax increases. Bars, restaurants and art industries were hit hard in October. Hewson said that such discretionary expenses can be easily cut. In addition, looking back over the past six months, except August, the economic activity in each month was flat or decreased.Broadcom rose more than 18% at the beginning, Broadcom rose more than 18% at the beginning, and the total market value rose to $1 trillion. The company's Q4 profit exceeded expectations, and its AI revenue doubled and rose by 220% in the whole fiscal year.Dow opened up 0.1%, S&P 500 rose 0.3%, Nasdaq rose 0.5%, Broadcom rose 18.7%, and Q4 AI revenue increased 220% year-on-year. Furniture retailer RH rose 15.8% and raised its performance forecast. EVgo rose by 9.0% and was supported by a loan of $1.25 billion from the US Department of Energy. Xpeng Motors fell 3.8% and was downgraded to "sell" by UBS.

Beijing issued a new policy to reduce the logistics cost of the whole society. The "Implementation Plan for Effectively Reducing the Logistics Cost of the Whole Society in Beijing" (hereinafter referred to as the "Plan") released on the 13th proposed that Beijing would improve its cargo transportation capacity and vigorously develop air freight. Strengthen the construction of Beijing airport-type national logistics hub, actively expand international routes, and constantly improve the aviation network layout of "all cargo aircraft+passenger aircraft belly cabin". The plan puts forward 16 measures around five key areas, such as improving cargo transportation capacity, improving logistics infrastructure network, improving urban distribution service, strengthening enterprise service and management, and promoting innovation-driven development. (Zhongxin. com)Jiaying Pharmaceutical Co., Ltd.: The chairman of the board proposed to buy back the company's shares of no more than 132.3 million yuan. On the evening of December 13, Jiaying Pharmaceutical announced that Li Neng, the chairman of the company, proposed that the company buy back some RMB common shares (A shares) issued by the company through the trading system of Shenzhen Stock Exchange with its own funds, and the repurchased shares are intended to be used for implementing employee stock ownership plan or equity incentive. According to the proposal, combined with the company's financial operation and actual situation, the number of shares to be repurchased this time is not less than 7 million shares (inclusive), accounting for about 1.3793% of the company's total share capital; It does not exceed 13.5 million shares (inclusive), accounting for about 2.6600% of the company's total share capital. According to the calculation that the maximum number of repurchased shares is 13.5 million shares (inclusive) and the maximum price of repurchased shares is 9.80 yuan/share (inclusive), the total amount of repurchased shares does not exceed 132.3 million yuan (inclusive).Puyin AXA Fund: Zhang Jian is the new chairman of the company. On December 13th, Puyin AXA Fund announced that since December 13th, Zhang Jian has been the new chairman of the company, while Xie Wei, the former chairman, left his post on December 13th due to work arrangements, and there is no explanation for his transfer to other positions in the company.