an Entity references as follows:
The SSE Composite Index also known as SSE Index is a stock market index of all stocks (A shares and B shares) that are traded at the Shanghai Stock Exchange. There are also SSE 180, SSE 50 and SSE Mega-Cap Indexes for top 170, 50 and 20 companies respectively, and the CSI 300 Index, which includes shares traded at the Shanghai Stock Exchange and the Shenzhen Stock Exchange.