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NASA: Navigation failure caused the mission of the "Wit" Mars helicopter to end. NASA said on December 11 that the investigation and evaluation of the "Wit" Mars helicopter showed that the navigation system failure was the cause of the rotor damage and the end of the mission during its landing. The "Wit" helicopter landed on Mars with the American "Perseverance" rover on February 18th, 2021. It weighs about 1.8 kilograms, has four rotors, and is powered by solar panels for lithium batteries. On April 19th of the same year, Wit completed its first flight on Mars. On January 18th this year, Wit made its 72nd and last flight to Mars. Because its rotor blades were damaged during the landing, it could not fly again, and NASA announced the end of its mission. On the 11th, NASA announced the investigation results of the last flight of Wit. The evaluation shows that the navigation system of "Wit" can't provide accurate data during its flight, causing a series of failures, leading to the end of its mission. (Xinhua News Agency)Chinese brokerage stocks in Hong Kong stocks rose by more than 13%, while Chinese brokerage stocks in Hong Kong stocks rose by more than 13%, China Merchants Securities rose by more than 6%, and Everbright Securities, CITIC Securities, CICC and china galaxy followed suit.Tsinghua University National Key Laboratory Base was established in Changping National Heavy Base at the end of the first phase. At present, Changping District is cooperating with Tsinghua University to build Tsinghua Nankou National Heavy Base, revitalizing the industrial remains of the "three major factories" in Nankou Town through urban renewal, and undertaking more than 14 national key laboratories in Tsinghua University. It is expected to be put into use in 2025, which will be the largest and most concentrated national key laboratory research base outside the main campus of Tsinghua University. Among them, two laboratories, Intelligent Green Vehicle and Transportation and New Power Operation and Control, will be completed and unveiled at the end of December this year. (Beijing Daily)

Noon announcement: Southeast Power Grid won the bid for the 489 million yuan smart logistics eHub project in Hangzhou, ① China Green Power: obtaining the 200,000 kW wind power construction index in Guizhou. The projects of "duyun city Pingshan Wind Farm" and "duyun city Tudizhai Wind Farm" declared by Shaanxi Branch of Luneng New Energy (Group) Co., Ltd., a subsidiary of the company, were included in the "Guizhou Province 2024 Wind Power Photovoltaic Power Generation Construction Scale Project Plan (the third batch)". The acquisition of the above new energy construction indicators is conducive to enriching the company's new energy project reserves. ② Tianyoude Liquor: Decided to carry out activities to invite shareholders to taste products. As of the company's closing on the afternoon of January 19, June 6 and August 13, 2024, shareholders who have registered in Shenzhen Branch of Zhongdeng Company and hold shares in the company can participate in the following activities after successful registration: shareholders can enjoy a 50% discount coupon, and as a general prize, each shareholder can get one, and they can buy products in the shareholder area; One shareholder tasting of Tianyoude Liquor, totaling 3,500 copies, was selected from the number of successful applicants. ③ Tailin Bio: Only the last half trading day is left before the "Tailin Convertible Bonds" stops converting shares, that is, the afternoon trading session on December 12. After the market closes on December 12th, the "Tailin Convertible Bonds" that have not been converted into shares will stop conversion, and the remaining convertible bonds will be forcibly redeemed at the price of 101.15 yuan per share. If forced to redeem, investors may face investment losses. ④ Southeast grid: The company recently received the Notice of Winning Bid from Zhejiang Airport International Logistics Supply Chain Co., Ltd., and determined that the company was the winning bidder of "Global Smart Logistics Hub Hangzhou eHub Project (Distribution Warehouse)", with a total winning bid of 489 million yuan, accounting for 3.76% of the company's annual operating income in 2023, and the project duration was 730 days.The CSI convertible bond index closed up by 0.46% at noon, while the auto model convertible bond, the alliance convertible bond and the profit convertible bond rose by 15.85%, 13.27% and 11.35% respectively. Tianyuan convertible bonds fell by 15.28% and Yingtong convertible bonds fell by 5.30%.Can I get a subsidy of 1500 yuan for the first marriage registration? The Civil Affairs Bureau of Hefei has rumored that from January 1, 2025, "you can get a subsidy of 1,500 yuan for the first marriage registration", "you can get a subsidy for downloading related apps" and "new people can get a gold purchase coupon for marriage registration" are all false information. Official website, the Civil Affairs Bureau of Hefei, declared that Hefei has not studied and issued a subsidy policy on marriage registration, so I hope the general public will pay attention to the screening.

Ma Huateng People's Daily wrote: Promote the healthy and sustainable development of the digital economy. Ma Huateng said in the People's Daily that Tencent, as a digital technology enterprise, actively responded to the deployment of the country to expand domestic demand and actively explored the development of digital consumption. By optimizing consumer tools such as WeChat payment, the company tries to create and serve effective demand and promote economic cycle by testing the e-commerce business such as live delivery of water video numbers. At the same time, Tencent relies on the WeChat ecosystem to enhance the absorption and friendliness of employment and entrepreneurship. Last year, it provided employment income opportunities for more than 50 million people. In the future, Tencent will also increase investment, devote itself to technological innovation and industrial upgrading, and jointly contribute to the stable and healthy development of China's economy with the vast number of private enterprises.Thailand's consumer confidence index rose to 56.9 in November, boosted by stimulus measures, and Thailand's consumer confidence index rose from 56.0 to 56.9 in November.The dividend index has performed better for a long time, and the allocation value of Standard & Poor's dividend ETF(562060) has attracted much attention. By midday on December 12, the standard & poor's dividend ETF(562060) had increased by 0.44%, with a turnover of 10.1606 million yuan. The constituent stocks are mixed. In terms of rising, Yongxing Materials led the gains, and Voice Holdings followed suit. In terms of decline, Luan Huan was able to lead the decline, while Orchid Science and Technology fell. In the news, as of December 11, 940 listed companies have thrown out 994 single and medium-term cash dividend plans this year, with a year-on-year increase of 269.41%; The total amount of dividends involved was 667.519 billion yuan, a year-on-year increase of 166.24%. According to the analysis of Xingzheng Securities, the long-term performance of dividend strategy in the US stock market is significantly better than that of the S&P 500 index, and its stability is higher. From 2003 to 2022, the annualized rate of return of the S&P 500 high-quality and high-dividend index reached 12.0%, which was higher than the S&P 500 index's 10.5%. Donghai securities said that under the downward trend of risk-free interest rate, dividend stability and growth potential have become important considerations, and we are optimistic about the investment value of dividend plate.