Hang Seng Index

Established in 1969, the Hang Seng Index is the benchmark stock market index, monitoring changes in 48 constituent blue chip stocks. It is maintained by Hang Seng Indexes Company, a unit of Hang Seng Bank, which is controlled by HSBC Group.

Volatile debut seen for Prada

Investors are bracing themselves for a volatile stock market debut of Prada - Hong Kong's second biggest float of the year - on Friday.

Investor confidence has been battered by the weak outlook of the equity market and the poor performance of recent new floats.