Hong Kong stocks closed down 81.69 points, or 0.35 percent, at 23,524.02 on Monday, led by declines in properties shares. The benchmark Hang Seng Index opened 0.45 percent lower at 23, 499.63 points, after trading between a day high of 23,592.77 points and a day low of 23,419.41 points. Turnover totaled 79.65 billion HK dollars (about 10.27 billion U.S. dollars) compared with Friday's 97 billion HK dollars. The Hang Seng China Enterprises Index went up 23.06 points, or 0.18 percent, to close at 13,193.71 HK dollars. Two of the four sub-indices gained ground. The Utilities sub- index and the Commerce and Industry sub-index moved up 0.43 and 0.47 respectively. The Properties dropped 2.55 percent, the Finance down 0.60 percent. Mainland lenders listed in Hong Kong moved down. ICBC, China's largest bank by market value, dipped 1.02 percent to close at 6.04 HK dollars; CCB, the country's second largest lender by market capitalization, closed flat at 7.23 HK dollars; BOC, one of the 'big four', decreased 1.16 percent to 4.27 HK dollars. Major local developers tumbled. Sun Hung Kai, the city's largest property developer by market value, plunged 3.06 percent to close at 130.1 HK dollars; Cheung Kong properties, owned by billionaire Li Ka-shing, dropped 3.23 percent to 116.7 HK dollars. China Life, one of the world's largest life insurers by market value, rose 1.17 percent to end at 34.55 HK dollars. PetroChina, the country's largest oil and gas producer moved up 0.62 percent to 9.76 HK dollars; Sinopec, China's top refiner, increased 1.37 percent to 7.38 HK dollars. (One U.S. dollar is equivalent to 7.755 HK dollars) 