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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.Adobe's performance guidance fell less than expected by more than 9% after hours. Adobe gave disappointing performance guidance for fiscal year 2025, highlighting concerns that this creative software giant may be subverted by emerging startups based on artificial intelligence. The company said in a statement on Wednesday that it expects revenue of about $23.4 billion in the fiscal year ending November 2025. Earnings per share excluding some items are expected to be $20.2-$20.5. Analysts expect an average revenue of $23.8 billion and adjusted earnings per share of $20.52. Adobe, known for its software for creative professionals, is adding generative AI functions to its applications, such as embedding its proprietary model Firefly into products such as Photoshop. Adobe released an AI tool for making videos at the annual user conference in October, which has been embedded in the editing application Premiere and is gradually being promoted to the public. Adobe shares fell more than 9% in after-hours trading.Trump's NASA candidate called his future SpaceX mission a "question mark". On Wednesday, Jared Isaacman, a billionaire in science and technology, who was selected by President-elect Trump, said that his planned private astronaut mission with Musk's SpaceX company "is still a question mark and may be put on hold for the time being" because he is going to enter the government department to lead NASA.

Dozens of people were killed in attacks in Gaza. According to several Palestinian media reports, on the 11th local time, Israeli troops continued to attack many places in Gaza, causing dozens of deaths. Among them, near Kamal Adouan Hospital in the northern part of Gaza, Israeli troops attacked again that day, killing at least 30 people, most of whom were women and children. In addition, on the same day, the Israeli army burned dozens of houses in the Gebali refugee camp in the northern Gaza Strip, and many places such as Deir Balah in the Gaza Strip, Nusailit refugee camp and Khan Younis in the southern Gaza Strip were also attacked by the Israeli army, causing casualties. (CCTV News)Morgan Stanley upgraded Hongyuan Green Energy Co., Ltd. to parity.Reminder: Please pay attention to the employment report of Australia in November (including the number of employed people and unemployment rate) at 08: 30 (Beijing time below); ② At 16: 30, the Swiss National Bank announced the interest rate resolution; ③ At 17: 00, the International Energy Agency (IEA) released the monthly crude oil market report; ④ 21:15 The European Central Bank announced the interest rate resolution (including main refinancing rate, deposit convenience rate and marginal lending rate); ⑤ PPI in November in the United States at 21: 30, and the number of people applying for unemployment benefits for the first time in the week of December 7; ⑥ 21:45 European Central Bank President Lagarde held a press conference; 7 Broadcom released its performance report after the US stock market closed.

At the end of new york on Wednesday (December 11th), the main contract of CME bitcoin futures BTC was $102,000, up 5.44% from the end of new york on Tuesday. The main contract of CME ethereum futures DCR was reported at $3,855.00, up 4.70% from Tuesday.NASDAQ China Golden Dragon Index closed down 0.74%, NASDAQ China Golden Dragon Index closed down 0.74%, most popular Chinese stocks fell, Tencent Music fell more than 5%, JD.COM fell more than 3%, Xpeng Motors fell more than 2%, and Bali, Weilai and Pinduoduo fell more than 1%. In terms of gains, Tiger Securities rose more than 3%, while Youdao and Gaotu rose more than 1%.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)