The Index, initiated in August 1995 and re-based on October 3, 2001, tracks the overall performance of 25 China's state-owned enterprises listed on the Hong Kong Stock Exchange.

Hang Seng China-Affiliated Corporations Index went up 50.43 points, or 3.79 percent, to close at 1,382.60.

Hang Seng China-Affiliated Corporations Index tracks the performance of 27 locally-listed companies with a significant equity interest held by entities in China.

Hang Seng Mainland Composite Index increased 39.28 points, or 3.19 percent to close at 1,268.98.

Introduced on October 3, 2001, Hang Seng Mainland Composite Index gauges the performance of 77 Hong Kong-listed companies with principal places of business in Hong Kong and the Chinese mainland.

(Xinhua News Agency May 17, 2002)