HONG KONG, March 21 (Xinhua) -- Hong Kong stocks closed down 135.41 points, or 0.43 percent, to 31,414.52 points on Wednesday.

The benchmark Hang Seng Index traded between 31,381.54 and 31,978.14. Turnover totaled 152.80 billion Hong Kong dollars (about 19.48 billion U.S. dollars).