HONG KONG, Oct 15 (Reuters) - Hong Kong stocks stretched a rally into a third straight day on Thursday with a 0.5 percent advance, driving the key index above the 22,000-point level for most of the day before profit-taking trimmed gains.
The benchmark Hang Seng Index rose 112.6 points to finish at 21,999.08.
The China Enterprises Index of top mainland companies notched up 0.64 percent gain to 12,859.71. (Reporting by Nerilyn Tenorio; Editing by Chris Lewis)