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Scientists observed semi-Dirac fermion for the first time, and scientists from Pennsylvania State University and Columbia University joined hands to observe a special kind of quasi-particle-semi-Dirac fermion for the first time. Such quasi-particles have mass when moving in one direction, but lose mass when moving in the other direction. The researchers said that in-depth research on these quasi-particles is expected to promote the development of next-generation batteries, sensors and other technologies. Related papers were published in the new issue of Physical Review X.The rhythm of "Shangxin" accelerates the issuance of public offering REITs exceeding 50 billion yuan during the year. This year, the pace of initial projects in the public offering REITs market has obviously accelerated. Up to now, the cumulative issuance scale during the year has exceeded 50 billion yuan. At the same time, the number of REITs fund managers in the whole market has increased to 25 fund institutions, and the breadth and depth of participation of relevant parties have continued to expand. Looking forward to 2025, institutional sources said that the construction of domestic REITs primary and secondary markets is expected to continue to advance. With the entry of more diversified assets and investor types, the market scale and activity are expected to further increase. (Economic Information Daily)Fund researchers bluntly said: the era of monetary fund lying and winning is over. Shanghai thought that unnamed fund researchers bluntly said that the era of monetary fund lying and winning is over. A person from a fund company in South China said that the continuous decline in the yield of money funds means that the impact of rates is becoming more and more important. Since the beginning of this year, many money funds have announced fee reductions. Wang Menghan, an analyst at Zheshang Securities, said that compared with similar products, the advantages of money funds are tax exemption, liquidity and stable net value. Among them, for institutional customers, there are still tax exemption and liquidity demands, so there is little demand for reducing the holdings of money funds. However, for non-institutional investors, because the stability of the net value of the money fund will be obviously weakened, there is a demand to reduce the holdings of the money fund. (SSE)

In November, LP, a financial institution, injected nearly 30 billion yuan into private equity funds. Judging from the latest capital contribution of private equity funds, the reporter learned from Zhizhong Data Technology (Suzhou) Co., Ltd. that in November, the national private equity funds invested 486 pens, with a total capital contribution of 99.761 billion yuan. Judging from the contribution of LP (Limited Partner) with different identities, in November, government funds LP made a total of 178 contributions, with a total contribution of 39.9 billion yuan, accounting for 40%. LP, the industrial investor, contributed a total of 175 transactions, with a total investment of 13 billion yuan. The financial institution LP contributed a total of 29.948 billion yuan, of which the insurance institution LP contributed 16.488 billion yuan, accounting for 55%; Banking institution LP contributed 12.259 billion yuan, accounting for 41%. (Securities Daily)The personal pension system will be expanded soon, and the third pillar of old-age security will be built in an all-round way. Recently, it was reported that the personal pension system will be implemented nationwide on the basis of pilot projects in 36 places. "It should be implemented nationwide soon. In fact, we have been making systematic preparations, and we are now well prepared." The staff of a state-owned bank in a non-pilot city told reporters. Industry researchers also told reporters that when the individual pension system was piloted, relevant supporting policies were made at the end of that year. "If it is fully rolled out according to the previous rhythm, there should be a saying before the end of this year." (Securities Times)The performance of deep thinking AI model exceeds the existing weather forecast. A study published in the new issue of Nature reported the latest machine learning model introduced by deep thinking. The model can make reliable probabilistic weather forecast according to current and future weather, and its performance not only exceeds the best traditional medium-range weather forecast, but also can better predict extreme weather, tropical cyclone route and wind energy production.

Robin Hood, a online celebrity brokerage, managed assets of $195 billion in November. In November, the stock exchange was $147.1 billion.Make professional investment easier, explore the application of AI big model in the financial field, and actively embrace big model technology in the financial field. Since the beginning of this year, both financial data terminals and financial technology leaders have actively launched applications based on large models. Related applications are concentrated in high-frequency fields such as man-machine dialogue, intelligent investment and research, and intelligent investment and care, which makes the function of artificial intelligence in assisting investment gradually perfect. Many interviewees said that with the help of artificial intelligence technology, ordinary investors can realize professional-level analysis and decision-making process. This means that the "inclusive" era of professional investment will accelerate. (SSE)The first-line private placement has become the strategic focus of "going to the position" and "adding flexibility". Recently, the A-share market has continued to fluctuate and strengthen, and market trading tends to be active. The private equity industry's judgment on the market outlook is generally positive. A number of first-line private placements said in an interview with reporters this week that the A-share market is expected to start up at the end of the year, and it is an important strategy to focus on "technological growth" and "domestic demand" in terms of structural mainline, maintain a high position and increase portfolio flexibility. (CSI Taurus)