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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)The employees of Extreme Vietnam discussed with CEO Xia Yiping that on the morning of December 12, CEO Xia Yiping of Extreme Vietnam was surrounded by many employees in the office of the company headquarters, and some internal employees broadcast the scene live online. The reporter learned that the employees "besieged" Xia Yiping, and there were four main demands, namely, the employees' social security, medical insurance and provident fund in October and November this year, the salary, five insurances and one gold in December this year, and the "N+1" compensation for employees on the day of resignation, and the completion of the employee settlement process. At the scene, some employees asked the company to settle their wages today because they were worried about Xia Yiping's "running away", otherwise they needed to detain Xia Yiping's ID card and passport. The reporter was informed that last night, many departments in Vietnam announced the dissolution on the spot, such as the delivery department; Some domestic stores have suspended business when they heard the news. At the same time, Xia Yiping also mentioned in his internal staff speech yesterday that employees' social security payment will be suspended in November and their wages will be delayed in December. For employees who voluntarily leave their jobs, the compensation standard given by Ji Yue is "N+1", but no specific compensation schedule is given. (Yicai)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%.

Afternoon comments on Hong Kong stocks: Hang Seng Index rose by 1.72%, Hang Seng Technology Index rose by 2.55%, Hong Kong stocks closed at noon, Hang Seng Index rose by 1.72% and Hang Seng Technology Index rose by 2.55%. Chinese brokerage stocks and consumer stocks were among the top gainers, with China Merchants Securities, Mengniu Dairy and Tongcheng Travel up over 7% and over 5% respectively.The securities sector continued to rise, and Guolian Securities closed the daily limit. Prior to this, Guosheng Financial Holdings had three consecutive boards, and Harbin Investment, Southwest Securities, Huaxin Shares and Cinda Securities followed suit.Xia Yiping, CEO of Extreme Vietnam, was surrounded by employees of Extreme Vietnam in the Shanghai office. On December 12th, Xia Yiping, CEO of Extreme Vietnam, was surrounded by employees of Extreme Vietnam in the Shanghai office. Xia Yiping said: "We are actively solving the problem. I hope everyone will give some time." At present, there are relevant departments at the Shanghai headquarters of Extreme Vietnam to maintain order at the scene. (per meridian)

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.CSRC: Optimize the supply of products in time and include the first batch of index funds in the catalogue of personal pension investment products. Recently, the Ministry of Human Resources and Social Security, the Ministry of Finance, the State Administration of Taxation, the General Administration of Financial Supervision and the CSRC jointly issued the Notice on the Full Implementation of the Personal Pension System (hereinafter referred to as the Notice), and the personal pension system will be extended to the whole country on December 15. Personal pension is long-term, persistent and large-scale. By actively investing in the capital market, it is conducive to sharing the fruits of the development of the real economy and helping to maintain and increase value for a long time. As a representative of professional institutional investors in the capital market, Public Offering of Fund industry has been entrusted to manage all kinds of pension assets over 6 trillion yuan, creating good long-term income and accumulating rich management experience. According to the requirements of the Notice, the CSRC timely optimized the product supply and included the first batch of index funds in the catalogue of personal pension investment products. Subsequently, the CSRC will strengthen the supervision of personal pension investment in Public Offering of Fund, urge Public Offering of Fund managers to continuously improve their management and service capabilities, and better support the high-quality development of personal pensions. (CSRC)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%.