The Hang Seng index fell 0.8%, to 27,124.55, while the China Enterprises Index lost 0.6%, to 10,628.25. Hong Kong police fired water cannon and volleys of tear gas to disperse protesters throwing petrol bombs at government buildings on Sunday, as months of sometimes violent demonstrations showed no sign of letting up.
Meanwhile, the Hang Seng energy index closed 3.8% higher after a surge in oil prices. The top gainers among H-shares were CNOOC Ltd, up 7.06%, followed by PetroChina Co Ltd, gaining 4.49%, and SINOPHARM GROUP CO LTD, up by 2.62%.
The three biggest H-shares percentage decliners were Geely Automobile Holdings Ltd, which was down 3.68%, China Pacific Insurance Group Co Ltd, which fell 3.03%, and CITIC Securities Co Ltd, down by 3.03%.