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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)Trader: The Indian central bank is suspected of selling dollars near the level of 84.86 against Indian Rupee.The International Monetary Fund reviewed the funding of 808.5 million US dollars for Cô te d 'Ivoire, and the Executive Board of the International Monetary Fund has completed the review of its loan arrangement with Cô te d 'Ivoire. The IMF indicated that about $808.5 million could be allocated under the EFF/ECF and RSF arrangements immediately after the review.

Market News: NVIDIA has increased its recruitment in China, focusing on artificial intelligence to drive cars.Shenzhen Nanshan District Emergency Management Bureau: The cause of the deflagration accident in Shenzhen Bay Yuefu and the personnel placement are being carried out. On the afternoon of December 11th, a residential building in Shenzhen Bay Yuefu Phase II exploded. According to official reports, as of 18: 00 on the 11th, the open flame had been extinguished, resulting in one death and no other injuries. Today, the telephone operator of Shenzhen Nanshan District Emergency Management Bureau said that (cause investigation and personnel placement) are being carried out, and the specific information should wait for the official news announcement. (CBN)Foreign media survey: the Korean economy is expected to grow by 1.7% in the fourth quarter of 2024, compared with the previous estimate of 1.8%; In the first quarter of 2025, GDP is expected to increase by 1% year-on-year, compared with the previous estimate of 1.1%.

Indian Rupee's exchange rate against the US dollar fell below 84.86, a record low.Sino-Vietnamese communication is more convenient! The number of entry-exit personnel at Dongxing Port exceeded 8 million. With the continuous optimization of entry-exit policies, the number of entry-exit personnel at Dongxing Port, the border land port with the largest passenger flow between China and Vietnam, exceeded 8 million. According to the statistics of Dongxing Entry-Exit Frontier Inspection Station, the daily average passenger flow at Dongxing Port exceeds 20,000.Afternoon comment: the index opened lower and went higher, and the index rose more than 1% in half a day. The concept of ice and snow industry rose in early trading, and the three major indexes opened lower and went higher in early trading, and the index rose more than 1% in half a day. In terms of sectors, the concept of ice and snow industry rose in early trading, with Jingxue saving energy by 20cm, and Rhine Sports, Snowman and Dalian Shengya trading daily. The retail sector has experienced a daily limit, and Zhongbai Group, Youa Shares, Friendship Group and other collective daily limit; Chinese medicine stocks fluctuated strongly, and Panlong Pharmaceutical had a daily limit; The concept of humanoid robot continued to pull back, and Fenda Technology led the decline; Sora concept stocks bottomed out in early trading, and Fushi Holdings was among the top losers; The concept of machine vision was weakly adjusted, and Taier shares fell by a word. Overall, stocks rose more and fell less, with more than 2,900 stocks rising. On the disk, the ice and snow industry, duty-free shops and retail sectors were among the top gainers, while PEEK materials, automation equipment and science and technology innovation new shares were among the top losers.