There are currently three main types of gold price in the world: the market price, the production price and the quasi-official price. All other types of gold prices are derived from them.
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,
The foreign exchange market refers to a trading market involving banks and other financial institutions, proprietary dealers and large transnational enterprises, connected through intermediaries or telecommunications systems, and trading in various currencies.
Bitcoin provides an efficient way to transfer money over the internet and is regulated by an open and transparent decentralized network, unlike traditional fiat currencies controlled by central banks.
