A bond is a financial contract, a debt instrument issued to investors by governments, financial institutions, industrial and commercial enterprises, etc. to raise funds by borrowing directly from society, while promising to pay interest at a certain rate and repay the principal on agreed terms.

The important practical value of Soros' investment theory lies in its use of the theory of contrarianism to identify overreactive markets, following the process of market formation, from self-propelled strengthening to decay,

Soros' theory of interactions only provides him with the direction of his investment objectives and the means to seize potential opportunities, not the precise orientation or the timing of important turns.

Shares are part of the ownership of a company's property and the holder of the shares is the shareholder.

Futures speculation is the use of futures trading provides the role of margin trading mechanism and T + 0 trading mechanism plus very low commission these three advantages, in order to obtain a small price jump in the plate for the purpose of the trading method.

A bond is a debt instrument that the government, financial institutions, industrial and commercial enterprises, etc.

In the United States, money market funds can be divided into three categories according to the level of risk. 　　 In the United States, money market funds can be divided into three categories according to the level of risk. 　　 1, Treasury bill money market funds, which invest mainly in treasury bills, marketable securities guaranteed by the government, etc. These securities generally have a maturity of less than one year, with an average maturity of 120 days. 　　 2,Diversified money market funds, which are commonly referred to as money market funds, usually invest in a variety of marketable securities such as commercial paper, treasury bills, securities issued by U.S. government agencies, negotiable certificates of deposit, bankers' acceptances, etc., which have similar maturities as the aforementioned funds. 　　 3, Tax-exempt money funds, which are used primarily for short-term financing of high-quality municipal securities, also include municipal medium-term bonds and municipal long-ter

A futures is a standardised tradable contract on a commodity or financial instrument. The underlying may be a commodity such as agricultural products, crude oil, gold or a financial instrument.

The unstable state of the market has been the ground on which Soros has tested his theory of contrarianism, arguing that financial markets are volatile and disorderly.

The differences between stock options and restricted stock lie in four areas: symmetry of rights and obligations, symmetry of rewards and penalties, waiting period versus confinement period and exercise price versus grant price.