A + H index was postponed and the differences between the two stock.

: Http:// hearing yesterday, the Hong Kong Hang Seng Index Services and Information Network Co., Ltd. and Shanghai Stock Exchange signed a licensing contract information. .HSI Services company will use the Shanghai Stock Exchange index of stock market data relevant to the preparation. .HSI Services said the company, involving A shares of products and services have already been developed in recognition of SSE's authorization, will be announced on Friday the specific A + H index and the design of products. .But did not specify whether the person is authorized to design, including derivative products, including stock index futures. .Previously, HSI Services said Vincent Kwan, general manager, "the estimated future there will be more A + H shares, A + H-share index can reflect the relationship between stock prices and the difference between the two, to help understand the A + H shares market trend." According to .understanding of the Hang Seng Index Services is responsible for preparation, calculation and management of the Hang Seng Index and a range of other stock market indices, including the Hang Seng China Enterprises Index, Hang Seng China H-Financials Index, Hang Seng Composite Index, Hang Seng Composite Index, Hang Seng Index Series circulation .and so on..