The Hang Seng Index added 2 per cent to 25,837.65 at 2pm local time, the biggest gain in two weeks. The Hang Seng Tech Index rose 3 per cent. On the mainland, the CSI 300 Index gained 1.3 per cent, while the Shanghai Composite Index strengthened 0.8 per cent, to hit a fresh 10-year high.
Mining firm Zijin Mining surged 6.8 per cent to HK$24.44. Search-engine leader Baidu added 6.3 per cent to HK$91, online games provider NetEase climbed 6 per cent to HK$217.40. E-commerce giant Alibaba Holding Group climbed 5.7 per cent to HK$124.60 and peer JD.com advanced 4.4 per cent to HK$126.70.
Longfor Group surged 5.5 per cent to HK$11.27, while China Vanke jumped 10.3 per cent to HK$5.70 and China Resources Land advanced 2 per cent to HK$32.12.
Limiting gains, Carmaker Geely Automobile Holdings slipped 1.4 per cent to HK$19.70, while handset components manufacturer BYD Electronic fell 1.1 per cent to HK$39.06.
