Hong Kong stocks opened with healthy gains on Wednesday morning as concerns over possible contagion from the collapse of two US banks eased, while data showed inflation in the country lessened last month.

The Hang Seng Index jumped 1.43 percent to 19,523.

The Shanghai Composite Index added 0.48 percent, to 3,261, while the Shenzhen Composite Index gained 0.52 percent, to 2,086. (AFP)