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The central parity of RMB against the US dollar was reported at 7.1876, down by 22 points; The median price of the previous trading day was 7.1854, the official closing price of the previous trading day was 7.2630, and it closed at 7.2700 last night.The scale of A500-related funds exceeded 240 billion yuan, and the scale of CSI A500ETF leader (563,800) jumped to the first place in Shanghai. On December 12, the total scale of funds tracking CSI A500 index reached 242.1 billion yuan, which was the fastest index in the history of A-share. In addition, the CSI A500 Index also contributed about one third of the increase in scale index funds since September. Among them, CSI A500ETF leader (563800) has attracted the most gold since its listing on November 18th, with a net inflow of 14.2 billion yuan, and its latest scale has exceeded 16.5 billion yuan, ranking first in Shanghai.The central bank's open market today launched a 7-day reverse repurchase operation of 205.1 billion yuan, and the operating interest rate was flat at 1.50%. Today, 190.9 billion yuan of 7-day reverse repurchase expired, and the net investment on that day was 14.2 billion yuan.

The T-shaped overpass with the longest and heaviest single span in China successfully turned and crossed Panxi Railway. According to The Paper, on the afternoon of December 11th, after 82 minutes of continuous construction, the T-shaped overpass with the longest and heaviest single span in China turned 52 degrees clockwise from Panxi Railway Vehicle Turning Station to Yangweishao Station under the jurisdiction of Kunming Bureau of China Railway, realizing a "gorgeous turn" and successfully completed the turn across Panxi Railway.Klarna, a Swedish payment company, said that it stopped recruiting hundreds of employees because of AI during the year. Sebastian Siemiatkowski, CEO of Klarna, a Swedish payment company planning to go public in the US, said that the company stopped recruiting a year ago, mainly because it invested in artificial intelligence (AI), which can replace the work of hundreds of employees in the company. According to Siemiatkowski, the number of employees decreased by 22% to 3,500 within one year, mainly due to brain drain. He pointed out that at present, about 200 employees in the company use artificial intelligence for their core work, and will improve the efficiency of artificial intelligence by accelerating the salary growth of employees.The application direction of AI fell in early trading, with Jincai Internet falling more than 8%, followed by Tianyu Digital, Huayang Lianzhong, Fushi Holdings, Aofei Entertainment and Fengyuzhu.

The weighted share price index of Taiwan Stock Exchange opened 0.2% lower at 23,002.37.Texas, the United States, launched an investigation into technology platforms for the protection of minors. Texas Attorney General Ken Paxton said on Thursday that the attorney general's office launched an investigation into more than a dozen technology platforms, covering practices on the privacy and safety of minors. Paxton added that the surveyed platforms include artificial intelligence chat robot startups such as Character.AI, Reddit, Instagram and Discord. Social media companies said that they will cooperate with officials to protect young users, and said that they have launched new tools aimed at protecting teenagers from surfing the Internet, including parental controls.Good wife set up an intelligent technology company in Quanzhou, and the enterprise search APP shows that Quanzhou Sunguest Intelligent Technology Co., Ltd. was established recently, with the legal representative of Cao Caifeng and the registered capital of 500,000 yuan. Its business scope includes: engineering and technical research and experimental development; Network and information security software development; Software development; Digital technology services, etc. Enterprise equity penetration shows that the company is wholly owned by Haotai.