The Hang Seng Index declined 0.7 per cent to 26,944.34 as of 11am local time, trimming some of the 3.9 per cent gain recorded last week. The Hang Seng Tech Index lost 1.5 per cent.
There will be no trading in Hong Kong on Tuesday on account of a public holiday. Mainland stock exchanges are closed for the National Day and Mid-Autumn Festival holidays until Wednesday.
Electric-vehicle maker Li Auto slumped 3.1 per cent to HK$96.50, while peer BYD dropped 1.5 per cent to HK$107.70. E-commerce company Alibaba Group Holding fell 2.6 per cent to HK$180.20, while peer JD.com lost 2.3 per cent to HK$137. Chipmaker SMIC slid 1.4 per cent to HK$89.60, while short-video platform Kuaishou Technology declined 1.4 per cent to HK$87.50.
Gold miner Zijin Mining Group gained 2.6 per cent to HK$34.22, as the uncertainty around the US federal government shutdown boosted demand for bullion. Search-engine giant Baidu rose 0.6 per cent to HK$139, after Morgan Stanley raised the price target for its US-listed shares.
