The Euro is the official currency of the European Union, and is widely used in international investing and financial markets. The Euro was designed to facilitate trade and investment among the member countries of the EU, as well as providing a more stable currency for international transactions. The Euro has become an important vehicle for international investment, allowing investors to diversify their portfolios across different countries and currencies. It is also used to purchase stocks, bonds, commodities, and other investments, providing a more efficient way to invest across multiple markets. The Euro is also used for foreign exchange transactions, allowing investors to easily convert their funds into different currencies.