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According to the medical report, Brazilian President Lula is still in the intensive care unit after undergoing brain surgery, and he will undergo another operation on Thursday morning local time.Dominion Bank of Toronto: Trust Canada lowered the prime rate by 50 basis points to 5.45%.The Brazilian real rose to 1.6% against the US dollar.

Foreign media: Romania and Bulgaria have officially joined the Schengen area since 2025. According to Agence France-Presse, on the 12th local time, the European Commission approved that Bulgaria and Romania will officially become members of the Schengen area from January 1st, 2025. According to reports, Hungarian Interior Minister Pinter Shan Duoer said, "Welcome Bulgaria and Romania to join the Schengen area ... This is a historic moment." According to reports, Romania and Bulgaria became EU members in 2007. In March 2024, the two countries partially joined the Schengen area, and only the air and maritime border controls were cancelled. In November, the EU completed the final step of approving the two countries to join the Schengen area. (Zhongxin. com)Iranian President expressed his willingness to expand cooperation with Turkey in various fields. Iranian President Pezexizhiyan said on the 11th that Iran is willing to expand cooperation with Turkey in various fields. According to the statement issued by the Iranian Presidential Palace, when meeting with visiting Turkish Trade Minister Borat in Tehran on the same day, Pezehiqiyan said that Iran will continue to firmly cooperate with Turkey and is willing to expand relations and cooperation with Turkey in various fields. He also stressed the necessity of implementing the bilateral agreements signed before.Trump's NASA candidate called his future SpaceX mission a "question mark". On Wednesday, Jared Isaacman, a billionaire in science and technology, who was selected by President-elect Trump, said that his planned private astronaut mission with Musk's SpaceX company "may be put on hold" because he was ready to enter the government to lead NASA.

The concept of high-speed copper connection is very popular. Recently, benefiting from the explosive demand growth of AI computing power, the market funds focus on the supporting concept of high-speed copper connection in the upper reaches of NVIDIA. On December 11th, a number of high-speed copper connection concept stocks rose sharply, with Zhaolong Interconnect rising by 12.58%, Woer Nuclear Materials by 8.70%, Shenyu Shares by 4.77% and Derun Electronics by 4.99%. High-speed copper connection, also known as high-speed connector, is a core data transmission component, which constitutes an efficient signal transmission system. Manager Public Offering of Fund said that the concept stocks of high-speed copper connection continued to rise, which actually benefited from the explosion of demand for AI computing power. Invista once introduced at GTC2024 that NVL72 uses copper cable interconnection to save costs significantly compared with optical modules. Shanxi Securities predicts that the new market of high-speed copper cable brought by GB200 will be close to 6 billion US dollars in 2025, and the usage scenarios of high-speed copper cable will continue to expand. It is found that a number of public and private equity funds have heavily invested in the concept stocks of high-speed copper connections that have risen recently in the third quarter. There are also fund managers who heavily invested in related stocks in the second quarter, but significantly reduced their positions in the third quarter, missing the rise of concept stocks in the fourth quarter. There are also some fund managers who continue to be optimistic about the stimulation of the demand of upstream industries caused by the outbreak of AI computing power, and have successively added high-speed copper connection concept stocks. (Securities Times)The consumption potential of the trade-in policy continued to be released. According to the VAT invoice data released by State Taxation Administration of The People's Republic of China on December 11th, from January to November, the retail sales revenue of household audio-visual equipment such as televisions and household appliances such as refrigerators increased by 15.9% and 18.7% respectively. The sales revenue of furniture retailing and sanitary ware retailing increased by 16.8% and 12.5% respectively. Experts said that recent data from various aspects show that the effect of the trade-in policy for consumer goods has appeared and the consumption potential has been continuously released. In the next stage, with the continuous expansion of the coverage of the "two new" policies and the recent package of economic incremental policies, the policy effect is expected to be further revealed. (CSI)Giant Wheel Intelligence: The business income related to the "robot concept" has limited impact on the company's short-term performance. Giant Wheel Intelligence issued a change announcement, and the company was concerned that some media listed the company as a stock related to the "robot concept". As of the disclosure date of this announcement, the related business income has limited impact on the company's short-term performance.