Which currencies are available for trading and investing?

Currently, the major currencies available for trading and investing are the U.S. Dollar (USD), Euro (EUR), Canadian Dollar (CAD), British Pound (GBP), Japanese Yen (JPY), Swiss Franc (CHF), Australian Dollar (AUD), New Zealand Dollar (NZD), Hong Kong Dollar (HKD), Singapore Dollar (SGD), and the Chinese Renminbi (RMB).