Hong Kong's stocks declined on Tuesday as investors anticipated Friday's news about disappointing US hiring level and higher than expected China's inflation rate. Hang Seng index tumbled 1.15% or 236.76 points and closed at 20,356.24 . Cnooc Ltd and PetroChina Co lost 2.4% and 2%, following a recent drop in crude prices. Property shares also contributed negatively to index with Hang Lung Properties slipping 1.5%, China Resources Land declining 2.4% and Guangdong Investment sinking 1.4%.