Hong Kong stocks closed lower on Monday, as materials firms slid.

The Hang Seng index fell 0.2 percent, to 28,412.26, while the China Enterprises Index lost 0.6 percent, to 10,641.40 points.

Leading the declines, the Hang Seng materials index dropped 2 percent, with Chalco and Zijin Mining Group Co Ltd down 5.1 percent and 3.3 percent, respectively.

The Hang Seng tech index ended 1.9 percent lower, with Chinese internet healthcare provider JD Health International Inc losing 6.3 percent.