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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.The NASDAQ 100 index rose to about 1.2%, and Broadcom, a constituent stock, rose by more than 21%, Maiwell Technology rose by 9.8%, ARM rose by 4.5%, Micron Technology rose by 4.1%, Ram Research rose by 1.8%, ASML ADR rose by 1.5%, and Grail, a biotechnology company, rose by 1.8%.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)

Nasdaq China Jinlong Index fell more than 2% in the day, while Nasdaq China Jinlong Index fluctuated lower, falling more than 2% in the day. Shells fell more than 5%, while iQiyi, New Oriental and Jinshan Cloud fell more than 4%.The Stoxx Europe 600 index fell to an intraday low of 0.5%.Kaitou Macro: There is no end in sight for the industrial difficulties in the euro zone. Jack Allen-Reynolds, a macro economist at Kaitou, said in a report that the stagnation of industrial production in the euro zone in October shows that its industrial sector is still weak and will continue to struggle. In fact, he said, without Ireland's data, the G-20' s constant production data would look much worse, or it would drop by 0.5% month-on-month, while Ireland's data is notoriously unstable. Allen-Reynolds said that the output in October excluding Ireland decreased by 2.8% compared with the same period of last year, which was 18% lower than the output level of energy-intensive industries before the outbreak of the conflict between Russia and Ukraine. He said that automobile production is 17% lower than the pre-epidemic level. Although the production performance of other industries is not so bad, the latest survey shows that the overall industrial production continues to decline.

The main glass contract fell to 3% in the day, and the main glass contract fell to 3% in the day, which is now reported at 1345 yuan/ton.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).Countering the price limit of Western countries, Putin extended the oil supply ban. On the 13th, Russian President Vladimir Putin signed a presidential decree, announcing the extension of the counter-measures to set price ceilings for Russian oil and oil products until June 30, 2025. Putin signed a presidential decree on December 27, 2022, demanding that the supply of Russian petroleum and petroleum products to foreign legal persons and individuals who directly or indirectly use the price ceiling mechanism in their contracts be prohibited. This presidential decree came into effect on February 1, 2023, and its validity period was extended several times. In early December, 2022, EU member states reached an agreement on setting a price ceiling of $60 per barrel for Russian seaborne oil exports. The Group of Seven and Australia announced that they would implement the same price limit policy as the EU. (Xinhua News Agency)