Hong Kong stocks ended the week in red on Friday amid a report the region's private sector continues to experience deterioration and renewed uncertainty over US tariff policy as a 90-day pause on higher levies nears its end.

The Hang Seng Index fell 153.88 points, or 0.64%, to 23,916.06, while the Hang Seng China Enterprises Index was down 39.17 points, or 0.45%, to 8,609.27.

New orders and output fell more sharply in June than in May, marking the fifth consecutive month of contraction, S&P Global said on Thursday.

The S&P Global Hong Kong SAR Purchasing Manager's Index fell to 47.8 in June from 49.0 in May, with private sector firms citing weaker demand across both local and international markets, the report said.

Meanwhile, the US will begin sending letters on Friday to countries detailing 20%-30% tariff rates on goods, marking a shift from earlier plans to strike individual trade deals, President Donald Trump said.

In corporate news, one company made its trading debut on the Hong Kong bourse today.

Quick-frozen food company Anjoy Foods Group (HKG:2648, SHA:603345) closed at HK$57, down 5% from its IPO price of HK$60.