HONG KONG—Hong Kong’s retail sales climbed for the seventh straight month in August, helped by a stabilising COVID-19 situation, an improved labour market, and economic recovery and thanks to a boost from a consumption voucher scheme (CVS). Retail sales in August rose 11.9 percent from a year earlier to HK$28.6 billion ($3.67 billion), government data showed on Thursday. August’s increase compared with a revised 2.8 percent growth in July. “The CVS should continue to bode well for local consumption sentiment in the rest of the year,” a government spokesman said, referring to electronic vouchers given to certain consumers to spend in shops. In volume terms, retail sales in August grew 10.6 percent from a year earlier compared with a revised 0.7 percent surge the previous month. For the first eight months of 2021, total retail sales increased 8.1 percent in value terms and rose 6.8 percent in volume. Online retail …