Hong Kong stocks rallied at the open on Tuesday, after the central government unveiled a slew of new measures, including a cut to the amount of cash banks must hold in reserve.

The Hang Seng Index jumped 1.79 percent, or 326 points, to 18,573.

The Shanghai Composite Index rose 0.79 percent, or 21 points, to 2,770, while the Shenzhen Composite Index added 0.60 percent, or 9 points, to 1,505. (AFP)