Usually, the types of transactions for buying up and down include gold, stocks, foreign exchange, funds, futures, etc.

Buying when the price rises means going long, which is mainly the order to open a position. When the price really rises in the future, there will be a certain amount of positive value-added, and you can make profits.

Buying or selling means shorting, which is mainly a sell opening order. When the price really falls in the future, there will be a certain negative appreciation, and investors will not lose money.

Expand knowledge: Stock is part of the ownership of a joint-stock company and is also an ownership certificate issued. It is a type of security issued by a joint-stock company to each shareholder as a shareholding certificate in order to raise funds and obtain dividends and dividends.

Stocks are long-term credit instruments in the capital market and can be transferred, bought and sold. Shareholders can share the company's profits with them, but they also have to bear the risks caused by the company's operational errors.

Each share of stock represents a shareholder's ownership of one basic unit of the business.

Every public company issues shares.

Each share of the same class represents equal ownership in the company.

The size of each shareholder's share of the company's ownership depends on the number of shares he or she holds relative to the company's total equity.

Stocks are a component of a joint-stock company's capital and can be transferred and bought and sold. They are the main long-term credit instrument in the capital market, but the company cannot be required to return its capital contribution.