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On the 13th, local time, the South Korean prosecutor summoned Guo Zhonggen, the commander of the special operations before the investigation.Afternoon comment: index adjustment The Shanghai Composite Index fell by 1.49% in half a day. Bean bag concept stocks were strong in early trading, and the index was collectively adjusted in early trading. The three major stock indexes all fell by more than 1%. In terms of sectors, the concept stocks of bean bags were strong in early trading, and the collective daily limit of three-dimensional communication, Beiwei Technology, Global Printing, and Zhewen Internet; The concept of ice and snow industry continued its upward trend. Jingxue energy-saving 20cm daily limit, iceberg cold and hot, snowman shares and other daily limit closures; The game e-sports sector is active, and the daily limit of Zhewen Internet and Electric Soul Network is up; Real estate stocks continued to adjust, and Hefei Urban Construction and Gorgeous Family were among the top losers. Food, liquor and other consumer sectors fell into a callback, and Yiming food fell to a limit; Insurance stocks weakened collectively, led by China Life Insurance. Overall, individual stocks showed a general decline trend, with more than 4,100 stocks falling. On the disk, the Aauto Quicker concept, short play games and cultural media sectors were among the top gainers, while the insurance, liquor and real estate sectors were among the top losers.The winning bid rate of China's 2-year treasury bonds was 1.06%, which was 31 basis points lower than last month. The Ministry of Finance of China issued treasury bonds today, and the weighted average winning bid rate of 2-year varieties was 1.06%. The data shows that the bid-winning interest rate is about 31 basis points lower than that when the national debt of the same term was issued in November, the lowest since Bloomberg recorded it in 2004.

Lingang Group and Cisco signed a memorandum of cooperation to build an intelligent AI+ ecosystem. According to Shanghai Lingang News, Lingang Group and Cisco China signed a memorandum of cooperation on December 11th, and both parties will work together to build an intelligent AI+ ecosystem. Lingang Group will empower Cisco to enhance the core competitiveness and market-oriented application of its core AI products through projects in the fields of AI+ intelligent computing scenarios, vehicle network collaboration and smart travel in industrial zones, and will support Cisco to promote the digital transformation and continuous iteration of industrial zones. Cisco will fully participate in the construction of the AI innovation platform in the industrial zone, help the industrial zone to cultivate and build a digital industry team, and provide all-round assistance for the digital development of the industrial zone.Scientific and technological innovation leads the high-quality development of the economy, and the 100tf (588,190) of Science and Technology Innovation may meet the layout window period. By midday on December 13th, the 100tf (588,190) of Science and Technology Innovation had fallen by 2.08%, with a turnover of 181 million yuan. The constituent stocks are mixed. In terms of rising, Alice led the rise, and Hengxuan Technology followed suit. In terms of decline, Guo Dun Quantum led the decline, while Core Source followed slightly. In the news, from December 11th to 12th, the Central Economic Work Conference was held in Beijing, which made a systematic plan for next year's economic work. Regarding the highlights of the conference, CITIC Jiantou said that "scientific and technological innovation" ranked first in the ranking of key tasks last year, and it was divided into independent segments and listed a number of emerging technologies, industries and tracks in a large space. This year's science and technology-related expressions focus on "artificial intelligence+",and we expect "AI+" to be the core variety of future science and technology themes. In addition, scientific and technological innovation is in the big paragraph of "new quality productivity" this year, ranking second in all key tasks. Wanlian Securities said that scientific and technological innovation is the vanguard to lead the high-quality economic development, and it is also the only way for the transformation and upgrading of traditional industries, emerging industries and future industries to grow and develop.Turkish regulators will block access to dozens of cryptocurrency exchanges.

The CSI convertible bond index closed down 0.42% at midday, while Z-mode convertible bond, Tongguang convertible bond and future convertible bond fell 8.76%, 6.00% and 5.21% respectively. Lide convertible bonds rose by 20.00% and Guiguang convertible bonds rose by 7.60%.Market News: Indonesia's central bank has made triple intervention to maintain market confidence in the Indonesian rupiah.CICC: Depleting inventories to eliminate excess supply is still the main direction. The Central Economic Work Conference was held in Beijing from December 11th to 12th. In terms of real estate, the meeting will "continue to push the real estate market to stop falling and stabilize" as the primary task of risk prevention. The research department of CICC believes that destocking to eliminate excess supply is still the main direction. First, control the supply of new land; second, optimize the supply structure of existing land and commercial housing; it is expected that the supply optimization policies such as land ticket, land exchange and commercial housing reform will be further promoted; third, dispose of existing commercial housing; it is expected that the efforts to store unsold commercial housing and existing second-hand housing for affordable housing will be increased; fourth, intensify the implementation of the renovation of urban villages and dilapidated houses.