A-shares refer to stocks issued domestically and settled in RMB. SSE A-shares refer to A-shares issued on the Shanghai Stock Exchange. Shenzhen A-shares refer to A-shares issued on the Shenzhen Stock Exchange.
B shares refer to stocks issued domestically and settled using foreign currency investment.
Shanghai B shares and Shenzhen B shares are B shares issued on the Shanghai and Shenzhen stock exchanges respectively.
The Shanghai Stock Exchange Fund is a fund index.