purchasing digital currency Knowledge

Countering the price limit of Western countries, Putin extended the oil supply ban. On the 13th, Russian President Vladimir Putin signed a presidential decree, announcing the extension of the counter-measures to set price ceilings for Russian oil and oil products until June 30, 2025. Putin signed a presidential decree on December 27, 2022, demanding that the supply of Russian petroleum and petroleum products to foreign legal persons and individuals who directly or indirectly use the price ceiling mechanism in their contracts be prohibited. This presidential decree came into effect on February 1, 2023, and its validity period was extended several times. In early December, 2022, EU member states reached an agreement on setting a price ceiling of $60 per barrel for Russian seaborne oil exports. The Group of Seven and Australia announced that they would implement the same price limit policy as the EU. (Xinhua News Agency)This week, the Shenzhen Stock Exchange took self-regulatory measures against 171 abnormal securities trading behaviors, and the Shenzhen Stock Exchange released regulatory trends: 1. Regulatory trends of listed companies (December 6-December 12, 2024) From December 6 to December 12, the Exchange took disciplinary action against one violation, involving information disclosure and standardized operation violations; Supervision letters were issued for 9 violations, 3 related to information disclosure and standardized operation violations, and 6 related to securities trading violations. This week, 18 inquiry letters and 5 other letters were sent out. II. Market Trading Supervision Dynamics (December 9-December 13, 2024) From December 9 to December 13, the Exchange took self-regulatory measures against 171 abnormal securities trading behaviors, involving abnormal trading situations such as intraday bidding, false declaration, etc. Focus on monitoring "*ST Tongzhou" with abnormal stock price fluctuation recently; A total of 9 major events of listed companies were verified, and 3 clues of suspected illegal cases were reported to the CSRC. (Issued by Shenzhen Stock Exchange)A mine explosion in central Sudan killed 13 civilians. On December 13th, local time, the health department of Suji City, Sennar State in central Sudan issued a statement saying that a truck triggered a mine in Jebel Muya area in the northern part of the state, causing an explosion, killing 13 civilians and injuring many others.

The Shanghai-Kunming Railway's relocation line in Songjiang section was fully connected. At 4: 33 on December 13th, the Shanghai-Kunming Railway's relocation line in Songjiang section was fully connected, marking the completion of the Shanghai-Kunming Railway's relocation project in Songjiang and its successful introduction to Shanghai Songjiang Station. Shanghai Songjiang Station has become a large-scale station where Shanghai-Suzhou-Lake high-speed railway, Shanghai-Kunming high-speed railway and Shanghai-Kunming railway stand side by side. In the future, both high-speed railway and ordinary-speed passenger transport services will be launched. (released in Shanghai)The main glass contract fell to 3% in the day, and the main glass contract fell to 3% in the day, which is now reported at 1345 yuan/ton.The main contract of Shanghai Nickel fell by 2.00% in the day, and it is now reported at 126,700.00 yuan/ton.

UBS raised the target price of Broadcom from $200 to $220.Maiwell Technology rose more than 11% to a record high, and announced a breakthrough in customized high-bandwidth memory. Maiwell Technology rose more than 11% in intraday trading to US$ 121.86, with its share price reaching a record high and its market value exceeding US$ 100 billion. Maywell Technology announced on Wednesday that the company has made a breakthrough in customized high-bandwidth memory (HBM) for artificial intelligence processors. It is reported that the new artificial intelligence accelerator architecture (XPU) will increase computing power by 25%, memory by 33%, and improve energy efficiency. The company is cooperating with Micron Technology, Samsung and SK Hynix to customize HBM processors for accelerators.Market news: Brazilian President Luiz Inacio Lula da Silva entered the semi-intensive care unit for recovery after surgery.