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.In response to Trump's tariff threat, the Canadian Prime Minister held another meeting with provincial governors. On December 11, local time, Canadian Prime Minister Trudeau held another meeting with provincial governors to discuss the tariff threat of US President-elect Trump. This is the second time that Trudeau has held a meeting with provincial governors since Trump threatened to impose a high tariff of 25% on Canada last month. It is also the first time that Trudeau has met with governors after having dinner with Trump at Haihu Manor. Trudeau said that if Trump really continues to impose a 25% tariff on all Canadian goods shipped to the United States, Canada is prepared to make some kind of response. The outside world believes that this statement means that Canada will impose retaliatory tariffs on some American goods. (CCTV News)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)
Morgan Stanley upgraded Dahua's rating to parity, with a target price of RMB in 19 yuan. Andy Meng, an analyst at Morgan Stanley, had a low rating. The target price is 19 yuan RMB, which is up by 12%.The rate of return of the money fund has reached a record low. Since December, the rate of return of the money fund has continued to decline. The annualized rate of return of Tianhong Yubao Money Fund, the largest, fell below 1.27% on the 7th, hitting a record low. According to industry insiders, the recently released "Self-discipline Initiative on Optimizing the Self-discipline Management of Non-bank Interbank Deposit Interest Rate" has a great impact on the Monetary Fund, and the superimposed interest rate is at a low level, and the yield of the Monetary Fund may continue to decline. As the income decreases, funds will look for new directions for allocation. 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)The number of registered warehouse receipts for steel futures reached a new high in recent five years. In 2024, the spot price of steel continued to hover near the production cost line, which made the development of steel enterprises face a staged dilemma. In order to stabilize daily operations, more and more iron and steel enterprises began to participate in the futures market, the most direct manifestation of which is the significant increase in the number of registered warehouse receipts for steel futures. In November this year, the registered volume of hot-rolled coil futures warehouse receipts in Shanghai Futures Exchange once reached 523,100 tons, a record high of nearly five years. Previously, the registered volume of rebar futures warehouse receipts reached the highest value of 210,100 tons in the past five years in September this year, and the registered volume of stainless steel futures warehouse receipts reached the highest value of 197,100 tons since listing in July this year. (SSE)
Market information: Israeli air strikes targeted the Palestinian people carrying security aid trucks in Rafah, causing medical casualties.Robin Hood, a online celebrity brokerage, managed assets of $195 billion in November. In November, the stock exchange was $147.1 billion.Market information: Israeli air strikes targeted the Palestinian people carrying security aid trucks in Rafah, causing medical casualties.