The Australian Dollar (AUD) is an important global currency and is used by investors and financial markets for trading commodities, stocks and other assets. It is a popular vehicle for international investors and is used for trading in the Australian stock market. It is also a way for Australian companies to access capital from overseas. The AUD also serves as a hedge against global and local economic uncertainty, as it tends to appreciate during times of instability. This makes it an attractive investment for those looking for stability and diversification.