What is the euro, and when was it adopted?
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The Euro is the new 'single currency' of the European Monetary Union, adopted on January 1, 1999 by 11 Member States. Greece became the 12th Member state to adopt the Euro on January 1, 2001. On January 1, 2002, these 12 countries officially introduced the Euro banknotes and coins as legal tender.

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the tallest building in the western hemisphere and the sixth tallest building in the world

answer: the risk-return relationship. generally, the higher the potential return of an investment, the higher the risk. there is no guarantee that you will actually get a higher return by accepting more risk. diversification enables you to reduce the risk of your portfolio without sacrificing potential returns.

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