A shares refer to stocks listed on Chinese mainland Stock Exchange (including Shanghai Stock Exchange and Shenzhen Stock Exchange), and investors trade stocks in RMB.

Hong Kong stocks refer to stocks listed on the Hong Kong Stock Exchange, including H shares (which refer to stocks listed in Hong Kong but registered in Chinese mainland), and investors trade in Hong Kong dollars.

U.S. stocks refer to stocks listed on American exchanges. Domestic enterprises listed in the United States are also U.S. stocks, and investors trade in dollars.