Sales decreased to HK$28.6 billion ($3.64 billion), having grown 4.1% in July.

In volume terms, retail sales fell 2.9% year-on-year in August. That compared with a revised 1.1% increase in July.

($1 = 7.8497 Hong Kong dollars)

(Reporting by Donny Kwok and Twinnie Siu; Editing by Mark Heinrich)