Latest data also showed earnings at China's industrial firms grew at a slower pace in April, calming concerns over policy tightening that weigh on risk appetite and valuations.
At the close of trade, the Hang Seng index was up 578.62 points, or 2.18%, at 27,147.11, its highest close since Feb. 21. The Hang Seng China Enterprises index rose 2.05% to 10,662.93.