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On the 13th, the 30-year treasury bond futures rose by 0.60%, and the latest main contract positions changed as follows. According to the data of the exchange, as of December 13th, the main contract 30-year treasury bond futures closed at 2503, up or down by +0.60%, with a turnover of 71,900 lots. The position data showed that the top 20 seats were clear, and the difference position was 3,777 lots. The total number of 30-year treasury bond futures contracts was 82,700 lots, an increase of 4,416 lots over the previous day. The first 20 seats in the contract held 78,000 lots, a decrease of 1,313 lots from the previous day. The top 20 seats in the contract held 85,000 short positions, a decrease of 1,049 lots from the previous day. (Sina Futures)It is reported that Canada is considering imposing export taxes on commodities such as uranium and oil to counter Trump's tariff threat. Canada is studying the imposition of export taxes on major commodities exported to the United States, including uranium, oil and potash, in the case that Trump fulfills the comprehensive tariff threat. Officials familiar with the internal discussions of Canadian Prime Minister Trudeau's government said that the export tax would be Canada's last resort. According to people familiar with the matter, retaliatory tariffs on goods made in the United States and export controls on some Canadian products are more likely to come first. However, these officials said that if Trump decides to launch a full-scale trade war, the commodity export tax is a practical option, which will push up the costs of American consumers, farmers and enterprises. They said that the Trudeau government may also propose to expand its export control power in the latest report on the country's financial and economic situation scheduled to be released on Monday. It is reported that Canada is currently the largest external oil supplier in the United States. Some refineries rely on cheaper Canadian heavy crude oil, and there are few other options. The impact of rising costs is particularly severe in the Midwest of the United States, where nearly half of the crude oil used by fuel producers to produce gasoline and diesel comes from Canada.The Ministry of Industry and Information Technology decided to set up the Ministry of Artificial Intelligence Standardization Technical Committee, and the Ministry of Industry and Information Technology decided to set up the Ministry of Artificial Intelligence Standardization Technical Committee, numbered MIIT/TC1, which is mainly responsible for the compilation and revision of industry standards in the fields of artificial intelligence evaluation and testing, operation and maintenance, data set, basic hardware, software platform, large model, application maturity, application development management and artificial intelligence risk. The first Technical Committee of Artificial Intelligence Standardization of the Ministry of Industry and Information Technology consists of 41 members, and the secretariat is undertaken by China Information and Communication Research Institute.

-40.8℃！ Bayinbuluke, Xinjiang refreshed the lowest temperature in the country in winter. With the strong invasion of cold air, the temperature in many places in Xinjiang hit a new low. On December 12th, according to the live ranking of the lowest temperature by the Central Meteorological Observatory, the lowest temperature in Bayinbuluke reached -40.8℃ from 15: 00 on December 11th to 14: 00 on December 12th, making it the top of the national lowest temperature list in this period, 5.4℃ lower than the Tuli River in Inner Mongolia, which ranked second, and becoming the first national weather station in China to fall below -40℃ after winter. (Xinjiang Daily)The main contract of Shanghai and Shenzhen 300 stock index futures (IF) fell by 2.00% in the day and is now reported at 3,955.2 points.Hengrui Pharma: SHR-2173 injection was approved for clinical trial. Hengrui Pharma announced that its subsidiary, Guangdong Hengrui Pharma Co., Ltd., received the Notice of Approval for Clinical Trial of SHR-2173 injection approved and issued by National Medical Products Administration, and agreed to carry out clinical trial. The indication is lupus nephritis. SHR-2173 injection is a therapeutic biological product independently developed by the company, and the research and development expenses have been invested about 45.03 million yuan. The period from research and development to listing of drugs is long, there are many links, and there are uncertain factors. The company will actively promote research and development projects and fulfill its information disclosure obligations.

European stocks opened slightly lower, with the Stoxx 50 index in Europe down 0.1%, DAX index in Germany up 0.2%, FTSE 100 index in Britain down 0.1% and CAC 40 index in France down 0.1%.Shenzhen Longgang Yueke Artificial Intelligence Venture Capital Fund was established with a capital contribution of 1 billion yuan. According to Tianyanchao App, recently, Shenzhen Longgang Yueke Artificial Intelligence Venture Capital Fund Partnership (Limited Partnership) was established. The executive partner is Guangdong Yueke Parent Fund Investment Management Co., Ltd., with a capital contribution of 1 billion yuan. The business scope is to engage in equity investment, investment management, asset management and other activities with private equity funds. Shenzhen Longgang District Guide Fund Investment Co., Ltd. and Guangdong Emerging Industry Investment Fund Partnership.US Secretary of State Blinken: discussed the ceasefire in Gaza with Turkish Foreign Minister Fidan. Blinken: All parties reached a broad consensus on what we want to see in Syria. We discussed the necessity of continuing efforts to crack down on the extremist organization "Islamic State". We have seen encouraging signs in the past few weeks that a ceasefire in Gaza is possible.