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Brazil will auction a foreign exchange credit line of up to $4 billion on December 12th.Market News: The U.S. Court of Appeal rejected the diversified disclosure rules of Nasdaq's board of directors.US stocks "Seven Sisters" | Tesla and Google A closed up more than 5%, both hitting record highs. On Wednesday (December 11), in "Magnificent 7", Tesla closed up 5.93%, refreshing the record high of closing to 424.77 US dollars; Google's parent company, Alphabet(GOOGL), closed up 5.52%, the best performance for two consecutive days since 2015-accumulated up by about 11%, refreshing the historical high of closing to 195.40 US dollars; NVIDIA rose 3.14%, Amazon rose 2.32%, Meta Platforms rose 2.16%, Microsoft rose 1.28%, and Apple closed down 0.52% from its all-time high. In addition, AMD closed up 1.89%, TSMC ADR rose 1.39%, Berkshire Hathaway B shares closed down 0.24%, and Lilly fell 0.44%.

Promoting Peace and Cooperation Ethiopia and Somalia signed the Ankara Declaration. On December 11th, local time, under the mediation of Turkish President Erdogan, Ethiopian Prime Minister Abi and Somali President Mahmoud signed the Ankara Declaration in Ankara, Turkey, announcing that they would promote peace and cooperation.The first-line private placement has become the strategic focus of "going to the position" and "adding flexibility". Recently, the A-share market has continued to fluctuate and strengthen, and market trading tends to be active. The private equity industry's judgment on the market outlook is generally positive. A number of first-line private placements said in an interview with reporters this week that the A-share market is expected to start up at the end of the year, and it is an important strategy to focus on "technological growth" and "domestic demand" in terms of structural mainline, maintain a high position and increase portfolio flexibility. (CSI Taurus)Cai Weidong was appointed as the deputy secretary of the Party Committee of Shentong Metro Group. According to the news of Shentong Metro Group, on the afternoon of December 11th, Shentong Metro Group held a leadership adjustment announcement meeting. At the meeting, the Organization Department of the Municipal Party Committee announced that Cai Weidong was appointed as the deputy secretary of the Party Committee of Shanghai Shentong Metro Group Co., Ltd., and Ge Shiping was removed from the post of deputy secretary of the Party Committee of Shanghai Shentong Metro Group Co., Ltd.

New york gold futures rose by 1.3% and stood at $2,750 on the release date of US CPI inflation data. In late new york on Wednesday (December 11th), spot gold rose by 0.89% to $2,718.31/ounce, and the refresh date at 13:05 Beijing time was as low as $2,675.69-a short-term V-shaped reversal occurred, and the US CPI data failed to break around $2,695 earlier in the day. After the US Treasury Department disclosed the results of the 10-year benchmark bond at 02:00, the daily refresh rate reached $2,721.14, which stood on the 50-day moving average for two consecutive trading days (the technical index was temporarily reported at $2,669.93). Spot silver was roughly flat at $31.9030 per ounce. COMEX gold futures rose by 1.29% to $2,753.60 per ounce, and rose to $2,759.70 at 23:42, which was on the rise all day. COMEX silver futures rose 0.15% to $32.795 an ounce. COMEX copper futures fell 0.23% to $4.2620/lb.During the year, A-share companies threw out nearly 1,000 single and medium-term cash dividend plans. According to Wind statistics, as of December 11th, 940 listed companies have thrown out 994 single and medium-term cash dividend plans this year, with the number of them increasing by 269.41% year-on-year. The total amount of dividends involved was 667.519 billion yuan, a year-on-year increase of 166.24%. Among them, 791 orders have been implemented, and dividends have reached 360.768 billion yuan; 203 single pending implementation, the total amount of dividends to be paid is 306.751 billion yuan. (Securities Daily)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.