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Real estate stocks fluctuated lower, with Gorgeous Family, Qixia Construction, Everbright Jiabao and Tiandiyuan falling more than 5%, while urban construction development and Chongqing development followed suit.The three major stock indexes all fell more than 1%, the Shanghai Composite Index fell 1%, the Shenzhen Composite Index fell 1.28%, the Growth Enterprise Market Index fell 1.49%, and more than 4,100 stocks in the whole market fell.Xray, an important partner of Yizhizhuang, officially announced a strategic cooperation with Google. According to Yizhizhuang, at the Android XR conference held in new york, Google officially announced a strategic cooperation with Xray to jointly build the Android XR ecosystem. This cooperation not only highlights XREAL's position as the world's largest manufacturer of AR glasses, but also marks a new stage of accelerated popularization of XR industry. It is noteworthy that Lingyizhi, as a long-term strategic partner of XREAL, provides key components and assembly services for XREAL AR glasses.

Shanxi Securities: Sora officially launched the AI video generation tool, which continued to iterate. Shanxi Securities Research Report pointed out that 1) On December 10th, OpenAI officially launched Sora. Compared with the version released by OpenAI in February, the new Sora launched this time added Storyboard, Remix, Re-cut and other functions, which greatly improved the video re-creation ability and optimized the video generation speed and generation method. 2) Since the beginning of this year, domestic enterprises have begun to accelerate the research and development and iteration of AI video generation products, and the product capabilities have been continuously improved and the application scenarios have been continuously broadened. Sora was officially launched, and the video creation ability was significantly improved, and it began to change from a creative tool to a productivity tool. With the continuous iteration of AI video generation tools represented by Sora, its penetration into various application scenarios is expected to accelerate in the future. On the one hand, the application layer suggests focusing on creative, design, education and other multi-modal fields, especially video generation. On the other hand, the demand for computing power in video generation model is significantly higher than that in text, focusing on AI computing power related targets.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.List of stock repurchases of Hong Kong stocks: 43 stocks were repurchased by the company. On December 12, a total of 43 Hong Kong stocks were repurchased by the company, and the repurchase amount of 8 stocks exceeded HK$ 10 million. Among them, Tencent Holdings, AIA and Samsonite have the largest repurchase amounts, with the company repurchasing HK$ 704 million, HK$ 61,711,300 and HK$ 34,247,500 respectively. As of December 12, 274 Hong Kong stocks have been repurchased by the company this year, and the cumulative repurchase amount of 62 stocks during the year exceeded HK$ 100 million. Among them, Tencent Holdings, HSBC Holdings and AIA have the largest cumulative repurchase amount during the year, with the company repurchasing HK$ 104.602 billion, HK$ 40.706 billion and HK$ 31.059 billion respectively.

China, with the largest plantation area in the world, has become the country with the greatest contribution to greening in the world. In the past 30 years since the signing of the United Nations Convention to Combat Desertification, China has made remarkable achievements in combating desertification, especially since last June, China has launched the "Three North" project. At present, the forest coverage rate in the "Three North" project area has increased from 5% in the 1970s to 13.84%. By the end of 2023, the forest coverage rate in China exceeded 25%, the forest stock exceeded 20 billion cubic meters, and the plantation area ranked first in the world, making it the most green country in the world. (CCTV News)In the exchange market, the national debt rose the most, with "National Debt 2404" rising more than 4%, "National Debt 23", "Special Country 24 03" and "Special Country 24 01" rising nearly 1%.The negative spread of 10-year treasury bonds between China and the United States has expanded to more than 250BP, the largest since June 2002.