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JPMorgan Chase downgraded C3.ai(AI.N), saying that the cost of artificial intelligence games is too high.Cross-border communication: 1% of the company's shares held by the company's largest shareholder and its concerted action plan to be enforced. Cross-border communication (002640) announced on the evening of December 11 that Yang Jianxin, the company's largest shareholder and its concerted action person, Xinyu Ruijing Enterprise Management Service Co., Ltd. (hereinafter referred to as "Xinyu Ruijing") may be forced to enforce the cross-border communication shares held by them due to a dispute over equity pledge debt. Three days after the disclosure of the announcement, The price of this enforcement is determined according to the market price at the time of reduction.Ethereum rose to 5% to $3,750; Bitcoin rose 3.4%, approaching $99,000.

Market News: Ukrainian President Zelensky used his first meeting with Donald Trump since the US election to show that Ukraine needs security in any negotiations to end the Russian-Ukrainian conflict.France urges Israel to withdraw from the Syrian buffer zone.The annual unadjusted food inflation rate in the United States in November was 2.4%, and the previous value was 2.1%. The annual inflation rate of new cars in the United States in November was -0.7%, and the previous value was -1.3%. The annual unadjusted housing inflation rate in the United States in November was 4.7%, and the previous value was 4.9%.

Layoff nearly 40%? Extremely more rumors: false statements, extremely more recently, some negative information has been sent out. Some netizens posted on social media that the more layoffs are started, the scale is close to 40%. In this regard, the reporter asked the extreme Vietnamese side for verification, and the other party said that the above rumors were false statements. In addition, the Automobile Legal Department of Extreme Vietnam also issued a document through Weibo, saying that some people spread false statements about the management and operation of Extreme Vietnam on the Internet, and the rumors have had a bad influence on the normal operation of the company. At present, the company is operating as usual, and relevant information is released through official channels. As for the rumors spread on the Internet, the company has retained evidence, reflected and reported them to the competent authorities, and has taken necessary legal measures to further investigate the legal responsibility of the rumors. Please don't believe in rumors, don't spread rumors. (per meridian)The UN Secretary-General visited South Africa and called on the G20 to reform global financial institutions. On December 11th, local time, UN Secretary-General Guterres visited South Africa and attended the first meeting of G20 finance ministers and central bank governors in Johannesburg after South Africa assumed the rotating presidency of G20. Guterres called on the G20 to achieve financial justice, reform global financial institutions and expand the global safety net. He also expressed support for South Africa as the rotating presidency of G20. In the afternoon, Guterres met with South African Foreign Minister Lamora in the South African Foreign Ministry Building. The two sides discussed the priorities of the G20 presidency, promoted the implementation of future agreements, and ensured the accelerated realization of sustainable development and climate commitments. (CCTV News)Joshua Benjo, a well-known AI expert: Artificial intelligence may "turn against human beings". According to a report on the website of the American Consumer News and Business Channel on November 21st, Joshua Benjo, a well-known computer scientist, a pioneer of artificial intelligence, warned against the potential negative impact of this emerging technology on society and called for in-depth research to reduce risks. (Reference message)