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The benchmark Hang Seng Index slipped 69.84 points to 18,932.42 in initial trading, retreating a notch from Thursday's jump of 5.63 percent, which followed coordinated action by six central banks to boost market liquidity.
Many investors in Asia on Friday were adopting a wait-and-see approach ahead of the US non-farm payrolls data to be released later in the day, traders said.