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Broadcom said that the market size of the company's artificial intelligence (AI) accelerator is expected to be $15 billion to $20 billion next year.Nine stowaways' bodies were found in Tunisia, and Tunisia's national news agency reported on the 12th that its coast guard found nine stowaways' bodies in the waters near Mahdiyah province in the east.Blinken: Providing 500 million U.S. dollars in aid to Ukraine. U.S. Secretary of State Blinken said that he would provide Ukraine with a 500 million U.S. dollar aid package, which includes providing "Haima" ammunition and unmanned aerial vehicle systems.

The leading enterprises in the quantum science and technology sector are competing for layout. Recently, the quantum science and technology sector has been active. Since September 24, the concept index of the straight flush quantum science and technology has risen by more than 60%, and the stock prices of many stocks have doubled. Among A-share listed companies, many companies including China Mobile, China Telecom, Guo Dun Quantum, Hexin Instrument, Guoxin Technology and Geer Software have already laid out in the field of quantum technology. In terms of future market potential, ICVTA&K, a scientific and technological consulting organization, predicts that in 2023, the overall market size of the global quantum industry may reach 7.24 billion US dollars. However, the current quantum technology industry is still in the stage of research and development and industrial exploration. Taking quantum computing as an example, Guo Dun Quantum said in a survey conducted by an organization on November 15th that quantum computers have only achieved quantum superiority in some specific problems at present, and it is estimated that it will take about 5 to 10 years to surpass classical computing power in practical and valuable problems in the future. (Economic Information Daily)Biden will attend the virtual meeting of the Group of Seven scheduled for 9: 30am EST (9: 30pm Beijing time).Chip-concentrated stocks clustered in four major industries, and 43 stocks fell for more than three consecutive periods. According to the statistics of Securities Times and DataBao, as of December 12, 300 stocks disclosed the number of shareholders in the latest period, compared with the previous period (November 30), there were 162 stocks with a decrease in the number of shareholders. Specifically, the number of shareholders in 29 stocks decreased by more than 5%, and the number of shareholders in 5 stocks decreased by more than 10%, including Dongfang Huanyu, Zhongshe, Baina Qiancheng, Midland New Materials and Hengshuai. Many chip-concentrated stocks have performed well in the recent market. According to the statistics of DataBao, the average share capital of 126 chips has increased by 4.86% since last month, and the cumulative increase of 18 stocks is above 10%. The top gainers are Guoan Da, Beiwei Technology and Silk Road Vision, which have increased by 42.5%, 26.18% and 21.44% respectively. From the industry point of view, the number of chip concentrated stocks is the largest in the four major industries of mechanical equipment, power equipment, electronics, medicine and biology.

Suspected of misleading investors and being accused of bundling sales, NVIDIA is frequently involved in anti-monopoly investigations around the world. After China filed an anti-monopoly investigation against NVIDIA a few days ago, on the 12th, this artificial intelligence chip manufacturing giant was once again involved in the judicial turmoil. The US Supreme Court allowed investors to file a class action lawsuit against chipmaker NVIDIA, and rejected NVIDIA's appeal. This is the latest judicial dispute that NVIDIA has fallen into since the French, European Union and China launched an "anti-monopoly investigation" against NVIDIA.Ukrainian President Zelensky: Russia launched 93 missiles and 200 drones into Ukraine's energy system, which is one of the biggest attacks on Ukraine's energy system. Ukraine shot down 81 missiles, 11 of which were shot down by F-16 fighters.The fifth district of Beijing issued a blue warning of strong winds. At present, Yanqing District, Mentougou District, Haidian District, Changping District and Fangshan District of Beijing have issued blue warnings of strong winds.