The Hang Seng Index rose 113 points, or 0.46 percent, to open at 24,704 points on Wednesday.
Mainland stocks meanwhile opened mixed.
The benchmark Shanghai Composite Index was down 0.06 percent to open at 3,502 points, and the Shenzhen Component Index opened 0.05 percent higher at 10,749 points.
It comes after economic data from China showed its economy expanded at a faster pace than expected in the second quarter. (Xinhua)