definition of virtual currency Knowledge

On the tariffs proposed by the Trump administration, Costco executives said that the company had faced tariffs in the past and believed that its businesses had the ability to cope with this situation.Pfizer announced an increase in its quarterly dividend, and American pharmaceutical giant Pfizer said on Thursday that it would increase its quarterly dividend by 2.4%, from 42 cents to 43 cents per share. The new dividend is equivalent to $1.72 per year, which means that the annual yield is about 6.8%. Albert Bourla, CEO of Pfizer, said that the dividend increase highlighted the company's strong financial performance, execution and commitment to return capital to shareholders.Broadcom: The artificial intelligence semiconductor business will surpass other businesses.

Blinken: Providing 500 million U.S. dollars in aid to Ukraine. U.S. Secretary of State Blinken said that he would provide Ukraine with a 500 million U.S. dollar aid package, which includes providing "Haima" ammunition and unmanned aerial vehicle systems.IDC: In the third quarter, global intelligent sweeping robots shipped 5.014 million units, up 11.1% year-on-year. On December 13th, IDC reported that global intelligent sweeping robots shipped 5.014 million units, up 11.1% year-on-year. Among them, the domestic market was boosted by the trade-in of old models at the end of September, with 1.321 million units shipped, up by 17% year-on-year, and the efforts of most provinces were around 20%, which significantly stimulated the shipment of high-end models, and this trend also continued to this year's "Double Eleven". The proportion of overseas sales of China manufacturers continues to increase, and the competition of high-end all-around models in European and American markets is still fierce.Industry: Concerns about the imbalance between supply and demand still exist, and there is limited room for alumina futures to continue to fall. Since the intraday record of 5,540 yuan/ton on December 5, the main contract price of domestic alumina futures has started to fluctuate and fall, reaching a minimum of 5,077 yuan/ton on December 12, with the cumulative maximum decline exceeding 8%. According to industry insiders, the increase of alumina registered delivery brands and the sharp drop in overseas alumina spot quotations have led to the recent decline in alumina futures prices. Although the short-term news in the market is intertwined, the imbalance between supply and demand in the alumina market has not fundamentally improved, so there is limited room for the subsequent decline of alumina futures prices. (CSI)

In violation of regulations, Sun Yongcheng, a member of the former party group of Heilongjiang Provincial Federation of Trade Unions, was expelled from the party. After investigation, Sun Yongcheng violated political discipline and confronted organizational review; Violation of organizational discipline, failure to truthfully explain problems when organizing letters and inquiries, and use their powers to seek personnel benefits for relatives and others; Violation of integrity discipline, illegal access to large returns through private lending, and use of authority to seek benefits for the business activities of relatives; Violation of work discipline, intervention in project contracting; Taking advantage of the convenience of his position and the formation of his authority or position, he seeks benefits for others in the aspects of engineering project license handling, mineral management right transfer, company preparation approval, etc., illegally accepting and demanding property, and is suspected of accepting bribes.Employees hide $154 million in accounts. Macy's said that internal control was ineffective. On Thursday, Macy's said that a reassessment of its financial situation showed that as of February this year, the internal control (including proper record maintenance) of the chain department store was not effective. The retailer launched an evaluation at the end of November after discovering that an employee had concealed as much as $154 million in expenses for many years. Therefore, the company postponed the release of the third quarter earnings report until December 11th. Macy's said that under the supervision of the board of directors, Tony Spring, its CEO, and Adrian Mitchell, its chief financial officer, re-evaluated the effectiveness of internal control, and pointed out that its financial report was not effective as of February 3 due to major defects. The department store chain said that it is implementing changes to improve internal control and make up for major defects.Suspected of misleading investors and being accused of bundling sales, NVIDIA is frequently involved in anti-monopoly investigations around the world. After China filed an anti-monopoly investigation against NVIDIA a few days ago, on the 12th, this artificial intelligence chip manufacturing giant was once again involved in the judicial turmoil. The US Supreme Court allowed investors to file a class action lawsuit against chipmaker NVIDIA, and rejected NVIDIA's appeal. This is the latest judicial dispute that NVIDIA has fallen into since the French, European Union and China launched an "anti-monopoly investigation" against NVIDIA.