HK shares slide more than 5 pct, Chalco eyed

(Updates to open)

HONG KONG, Feb 6 (Reuters) - Hong Kong stocks fell 5.44
percent on Wednesday, tracking losses in overseas markets after
weak U.S. services sector data stoked concerns over the health of
the global economy.

The benchmark Hang Seng Index .HSI opened down 1,350.55
points at 23,458.15. The China Enterprises index of H-shares
.HSCE, or Hong Kong-listed shares in mainland companies, fell
7.31 percent.

Hong Kong's stock market is only open for a half day of trade
ahead of the Lunar New year holiday.

Investors were focusing on Aluminum Corp of China Ltd
(2600.HK: Quote, Profile, Research, Stock Buzz) (Chalco), which fell 8.3 percent after news that parent
Chinalco and its partner Alcoa Inc (AA.N: Quote, Profile, Research, Stock Buzz) were studying BHP
Billiton's (BHP.AX: Quote, Profile, Research, Stock Buzz)BTL.L $147 billion bid for Rio Tinto
(RIO.AX: Quote, Profile, Research, Stock Buzz) (RIO.L: Quote, Profile, Research, Stock Buzz).
(Reporting by Donny Kwok; editing by Anne Marie Roantree)