Hong Kong stocks closed down 215.57 points, or 1.06 percent, at 20,140.67 on Wednesday. The benchmark Hang Seng Index traded between 20,035.68 and 20, 188.56. Turnover totaled 51.31 billion HK dollars (about 6.60 billion U. S. dollars). (1 U.S. dollar = 7.77 HK dollars)