Hong Kong stocks plunged 511.32 points, or 2.28 percent, to close at 21,952.38 points on Tuesday.
The benchmark Hang Seng Index traded between 22,481.74 and 21,907.21. Turnover totaled 63.62 billion HK dollars (about 8.21 billion U.S. dollars). (1 U.S. dollar = 7.75 HK dollars)