The Euro is the common currency of the European Union. It is used for a variety of investment and financial market purposes, including trading, hedging, and international payments. The Euro is traded on the global currency markets, allowing investors to diversify their portfolios and hedge against market risks. It is also used by businesses to make international payments without incurring high foreign exchange costs. The stability of the Euro makes it an attractive option to global investors and businesses, as currency fluctuations can have a major impact on profits and losses.