Hong Kong stocks gained, with the Hang Seng Index (HSI) rising the most in three weeks, as the city's developers rose a day after residential sites sold for more than expected.

The HSI increased 0.9 percent to 23276.27, the most since April 21. The gauge rose 0.5 percent for the week, its first weekly advance in three. All but three stocks gained in the 45-member gauge. The Hang Seng China Enterprises Index advanced 0.8 percent to 12894.13.

Sino Land rose 2 percent to HK$13.62 and Henderson Land Development Co rose 1.5 percent to HK$52.60. Cheung Kong (Holdings) Ltd advanced 1.9 percent to HK$117.90.

China Shenhua Energy advanced 1.9 percent to HK$34.85, and Yanzhou Coal Mining Co rose 0.7 percent to HK$28.85. Coal prices at Qinhuangdao port rose to the highest in more than two-and-half years as inventories of the fuel fell, Securities Times reported, citing unidentified data.

A measure of utilities had the biggest gain among the HSI's four industry groups. China Resources Power Holdings Co jumped 3.5 percent to HK$15.90, and Hong Kong and China Gas Co increased 1.2 percent to HK$19.54.

Foxconn International slumped 3 percent to HK$4.26 after Hang Seng Indexes Co said the stock would be removed effective June 7.

Futures on the HSI rose 1.8 percent to 23283. The HSI Volatility Index indicating options traders expect a swing of 4.9 percent in the HSI in the next 30 days.