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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 yield of 20/30-year US Treasury bonds rose by more than 5 basis points on the release date of US CPI inflation data. Investors also paid attention to oil prices and Yellen's new debt supply. At the end of new york on Wednesday (December 11), the yield of US 10-year benchmark government bonds rose by 3.89 basis points to 4.2652%. After the release of US CPI inflation data at 21:30 Beijing time, it plunged significantly and refreshed at 22:41 (the beginning of US stock market). Then it rebounded, and the results released at 02:00 showed that the auction of 10-year US bonds was strong, the bid multiple reached a new high since 2016, and the yield reached 4.2750% at 03:00. The yield of two-year US bonds rose by 1.02 basis points to 4.1532%, and reached 4.1741% at 21:17 (less than a quarter of an hour before the release of the US CPI data). After the data was released, it plunged, and reached 4.0969% at 22:41, and then gradually rebounded.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. The researchers said that the active mid-term dividends of listed companies are conducive to enhancing investors' sense of gain and boosting investors' confidence. In addition, stable dividends can provide stable income, reduce investment risks, and help promote the formation of value investment concepts and long-term investment concepts. (Securities Daily)

Nevada Power Company applied to hold up to $2.1 billion in debt.Brent crude oil rose by 2.00% in the day and is now reported at $73.31/barrel. WTI crude oil hit $70/barrel, up 2.67% in the day.A number of evidences confirmed the criminal facts of the suspect in the shooting of executives in unitedhealth group, USA. On December 11th, local time, Jessica Tisch, the police chief of new york City, USA, said that the gun on Luigi Man Ghione, the suspect suspected of killing the CEO of unitedhealth group, matched the shell casings found at the crime scene. In addition, Man Ghione's fingerprints are consistent with those on the water bottle and protein stick wrapping paper found near the shooting scene. At present, the suspect Man Ghione is still being held in Pennsylvania.

Argentina's MERVAL index closed up 3.94% to 2.288 million points.Brazil's Vale: An agreement was reached with the US Department of Energy to provide $282.9 million in financing for the Louisiana plant until 2031.Brazil's Vale said it had reached an agreement with the US Department of Energy to provide financing of $282.9 million for the Louisiana plant until 2031.