Stocks in Hong Kong led gains in the Asia-Pacific alongside Chinese indexes as China’s health authorities held a briefing on its Covid measures.Hong Kong’s Hang Seng index jumped more than 4% in the afternoon session with the Hang Seng Tech index rising past 6%. In mainland China, the Shanghai Composite climbed 2.24% and the Shenzhen Component added 2.4%.The CSI 300 index, which tracks the largest mainland-listed stocks, climbed nearly 3% as the nation’s Covid cases on Monday were lower than Sunday’s count, the first decline since Nov. 19.CNBC.com