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Market News: The U.S. Court of Appeal rejected the diversified disclosure rules of Nasdaq's board of directors.Scientists observed semi-Dirac fermion for the first time, and scientists from Pennsylvania State University and Columbia University joined hands to observe a special kind of quasi-particle-semi-Dirac fermion for the first time. Such quasi-particles have mass when moving in one direction, but lose mass when moving in the other direction. The researchers said that in-depth research on these quasi-particles is expected to promote the development of next-generation batteries, sensors and other technologies. Related papers were published in the new issue of Physical Review X.Trump's nominated director of NASA said that his future mission of cooperating with SpaceX would be put on hold. On December 11th, local time, jared Isakman, the director of NASA nominated by US President-elect Trump, said that his future private astronaut mission planned to cooperate with SpaceX of elon musk might be put on hold. Isaac Mann said that the future of the Polaris Project is still a "question mark".

Blackstone secured loan fund will issue 300 million USD 5.350% unsecured notes at a fixed price, with a maturity date of 2028.Canada's stock index closed up 0.6% on the day when the central bank cut interest rates, Brazil's real rose over 1% on the day when the central bank raised interest rates, and Canada's S&P /TSX composite index closed up 0.60% at 25,657.70 points, approaching the closing record high of 25,691.80 points on December 6 and the intraday record high of 25,843.20 points on December 9. Small-cap stocks closed up 0.74% at 847.15 points. In late North America on Wednesday (December 11th), the yield of Canada's 10-year benchmark government bonds rose by 6.7 basis points to 3.085%. The yield of debt increase in the two-year period rose by 5.3 basis points to 2.941%. After the US CPI inflation data was released at 21:30 Beijing time, the refresh rate was as low as 2.827%. After the Bank of Canada announced a 50 basis point interest rate cut at 22:45, it pulled back steeply from 2.84% to 2.960% at 03:06. The yield of five-year debt increase rose by 6.1 basis points to 2.891%. Mexico Composite Index closed down 0.17%, while Mexican peso rose 0.11% against the US dollar. The index of Sao Paulo Stock Exchange in Brazil closed up 1.06% to 130,000 points, and since it rose to a record high of 137,000 points on August 28th, it has been continuously and smoothly adjusted back. The Brazilian real rose by 1.43% against the US dollar, and it was reported at R $5.9647 before the Brazilian central bank raised interest rates by 100 basis points and predicted that it would raise interest rates in the next two times.The output of new energy vehicles takes the lead to seize the new highland of intelligent competition. BYD, GAC Ai 'an and Xpeng Motors, these new energy vehicle brands have helped Guangdong-Hong Kong-Macao Greater Bay Area become the highland of new energy vehicle industry in China. The data shows that one out of every four new energy vehicles in China is "made in Guangdong". At present, a number of leading enterprises in Guangdong-Hong Kong-Macao Greater Bay Area have emerged, such as Shenzhen Yinwang, Zhuoyu, Wen Yuan Zhixing, Xiaoma Zhixing, Desai Xiwei and Sagitar Juchuang, which have formed a perfect intelligent networked automobile industry chain. According to the insiders, intelligentization provides power for the "second half" of the development of new energy automobile industry, and Guangdong-Hong Kong-Macao Greater Bay Area is seizing the new highland of intelligent networked automobile industry.

The position ETF--iShares Silver Trust, the world's largest silver ETF, decreased by 179.98 tons compared with the previous day, and the current position is 14,414.25 tons.Bank of Brazil: The agent's views on recent financial announcements have significantly affected asset prices and expectations, especially risk premium, inflation expectations and exchange rate.The number of registered warehouse receipts for steel futures reached a new high in recent five years. In 2024, the spot price of steel continued to hover near the production cost line, which made the development of steel enterprises face a staged dilemma. In order to stabilize daily operations, more and more iron and steel enterprises began to participate in the futures market, the most direct manifestation of which is the significant increase in the number of registered warehouse receipts for steel futures. In November this year, the registered volume of hot-rolled coil futures warehouse receipts in Shanghai Futures Exchange once reached 523,100 tons, a record high of nearly five years. Previously, the registered volume of rebar futures warehouse receipts reached the highest value of 210,100 tons in the past five years in September this year, and the registered volume of stainless steel futures warehouse receipts reached the highest value of 197,100 tons since listing in July this year. (SSE)