Can you explain what's Nikkei225, Hang Seng Index and SSE Composite index?

Sure, here's an explanation of each index:

1. Nikkei 225: The Nikkei 225 is a stock index that measures the stock performance of 225 companies listed on the Tokyo Stock Exchange (TSE). It is a widely followed index that serves as a benchmark for the Japanese stock market. The index was created in 1950 and is published by the Nikkei Dow Jones Indexes.

2. Hang Seng Index (HSI): The Hang Seng Index (HSI) is a stock index that measures the stock performance of 60 large companies listed on the Hong Kong Exchange (HKEx). It is a free-float market capitalization-weighted index that aims to capture the leadership of the Hong Kong exchange. The index covers approximately 65% of its total market capitalization and is widely considered the benchmark equity market index for Hong Kong.

3. SSE Composite Index: The SSE Composite Index is a stock index that measures the stock performance of all companies listed on the Shanghai Stock Exchange (SSE). It is a weighted index calculated from a base period of 100 and serves as a benchmark for the overall performance of the Chinese stock market. The index has four sub-sector indexes: SSE Finance, SSE Commerce & Industry, SSE Utilities, and SSE Properties.