Hong Kong's Hang Seng Index is a market capitalization-weighted index of the largest companies on the Hong Kong Exchange, which accounts for approximately 65 percent of the total market capitalization. Hong Kong market trends and companies are specifically reflected in this index. With the goal of capturing the leaders of Hong Kong's exchange, this index serves as a benchmark for blue-chip stocks. The index contains four sub-sector indexes: industry, finance, utilities, and real estate investment trusts.

The Hang Seng Index is an index that tracks the performance of top stocks in Hong Kong. The index is important for investors because it’s considered to be a barometer of the economy in Hong Kong.

The Hang Seng Index is a stock market index composed of the largest companies in Hong Kong. The index is calculated by taking a company's share price and dividing it by the number of shares it has outstanding.