Macroeconomics' need for government intervention ' According to the company's website, the company mainly engaged in import and export trade finance, trade, insurance intermediary business, financial institutions and foreign exchange hedging and risk management related business. The company claims that its low-latency, high-frequency forex trading platform is driven by artificial intelligence and machine learning technology. This week's sell-off coincided with his prediction. It goes without saying that the overall objective of foreign exchange investment is to achieve the greatest possible benefit of risk. As in any other venture capital, "earnings" is a function of the time required, which is not measured in terms of the monetary gain. A small profit in two or three days means that the deal is a success. On the other hand, this small interest will not be available for two or three months, even if it is a 100% profit, and it may not necessarily be cost-effective from the point of view of time. The form of shares is the share certificate. Different types of joint-stock enterprises, the specific form of their share certificates are different. Among them, only the limited company is used to express the company shares the form is the stock. Stock shall be recorded according to the amount of capital represented by the shares and shall be recorded by shareholders' share of capital contribution and shareholder rights for the public subscription and transfer of transactions. Holding a stock means owning a stake in a limited company, acquiring a shareholder's qualification, and exercising shareholder rights. Hybrid cars, which add an internal combustion engine to pure electric vehicles, aim to reduce the pollution of cars and improve the mileage of pure electric vehicles. Hybrid vehicles have serial and parallel structure.